Client Server Software Solutions

Manage and support secure, high-performing system and network operations including configuration, backup, recovery, and security enforcement. | Requires 3+ years of network and system administration experience, Secret clearance, and U.S. citizenship, with preferred DoD classified environment experience. | TESS- Journeyman AMDOTS System/Network Administrator Clearance: Secret level clearance minimum Location: Peterson Space Force Base, CO. U.S.Citizenship required. Position Summary: Journeyman systems/network administrator responsible for managing and controlling AMDOTS IT equipment and supporting secure, available, recoverable, and high-performing system/network operations. Primary Responsibilities • Set up, configure, administer, maintain, and support internal and external networks and server operating systems. • Create and test data backups and support system recoverability, disaster recovery, and contingency planning. • Verify data/system integrity and define or implement database and system access controls. • Maintain system/network availability and performance; troubleshoot performance issues and recommend corrective actions. • Enforce system security, maintain system-administration policies, configuration-control/management plans, and mission-function system schemas. • Perform system-wide integrity tests, apply required security vulnerability patches, install and maintain operating systems/applications, and provide system reports to the Government. Mandatory Qualifications - solicitation minimums • At least 3 years of experience in internal/external network setup, configuration and support; network performance issues; operating-system installation and maintenance; and application installation and maintenance. • U.S. citizenship. • At least a Secret security clearance. Preferred Qualifications • Experience administering secure DoD networks and servers in classified environments. • Experience with backup/recovery, vulnerability patching, access control, configuration management, system hardening, and network performance troubleshooting. • Relevant DoD cybersecurity or system-administration certification(s). ABOUT US: Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations. As a prime contractor or preferred subcontractor, we have a continual list of opportunities to fill nationwide with multiple agencies such as the Department of Veteran Affairs, the Department of Defense, civilian agencies, and the national intelligence community. Many positions supporting the U.S. federal government require our employees to be granted security clearances. CWest strives to provide fully integrated solutions that cover all aspects of system and network engineering, administration, and management. We believe in attracting the right people ready to take on exciting challenges and be part of a dynamic team. Are you one of them? Do you have the expertise and knowledge to solve complex problems? If yes, join us and be a part of an exhilarating work environment that rewards your hard work and dedication. Don't miss out on this fantastic opportunity to make a difference! Benefits include but are not limited to: • Competitive 401(k) plan with employer matching • Competitive Health Benefits with employer contributions • 11 Paid Holidays per year • 15 Days starting PTO for new hires • Tuition/CE reimbursement • Relocation Assistance • Pre-Tax Commuter Benefit Accounts • STD/LTD/Life Insurance with buyup options • Veteran Hiring Preference • Conversion to an Employee-owned firm (ESOP) in 2026—a lucrative benefit to employee-owners! We are an Equal Opportunity Employer Constellation West is proud to be an EEO/AA employer M/F/D/V All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Constellation West will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)

Manage and support AMDOTS IT equipment ensuring secure, available, and high-performing system/network operations. | Requires at least 3 years experience in network setup, OS maintenance, and a Secret security clearance. | TESS- Journeyman AMDOTS System/Network Administrator Clearance: Secret level clearance minimum Location: Peterson Space Force Base, CO. U.S.Citizenship required. Position Summary: Journeyman systems/network administrator responsible for managing and controlling AMDOTS IT equipment and supporting secure, available, recoverable, and high-performing system/network operations. Primary Responsibilities • Set up, configure, administer, maintain, and support internal and external networks and server operating systems. • Create and test data backups and support system recoverability, disaster recovery, and contingency planning. • Verify data/system integrity and define or implement database and system access controls. • Maintain system/network availability and performance; troubleshoot performance issues and recommend corrective actions. • Enforce system security, maintain system-administration policies, configuration-control/management plans, and mission-function system schemas. • Perform system-wide integrity tests, apply required security vulnerability patches, install and maintain operating systems/applications, and provide system reports to the Government. Mandatory Qualifications - solicitation minimums • At least 3 years of experience in internal/external network setup, configuration and support; network performance issues; operating-system installation and maintenance; and application installation and maintenance. • U.S. citizenship. • At least a Secret security clearance. Preferred Qualifications • Experience administering secure DoD networks and servers in classified environments. • Experience with backup/recovery, vulnerability patching, access control, configuration management, system hardening, and network performance troubleshooting. • Relevant DoD cybersecurity or system-administration certification(s). ABOUT US: Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations. As a prime contractor or preferred subcontractor, we have a continual list of opportunities to fill nationwide with multiple agencies such as the Department of Veteran Affairs, the Department of Defense, civilian agencies, and the national intelligence community. Many positions supporting the U.S. federal government require our employees to be granted security clearances. CWest strives to provide fully integrated solutions that cover all aspects of system and network engineering, administration, and management. We believe in attracting the right people ready to take on exciting challenges and be part of a dynamic team. Are you one of them? Do you have the expertise and knowledge to solve complex problems? If yes, join us and be a part of an exhilarating work environment that rewards your hard work and dedication. Don't miss out on this fantastic opportunity to make a difference! Benefits include but are not limited to: • Competitive 401(k) plan with employer matching • Competitive Health Benefits with employer contributions • 11 Paid Holidays per year • 15 Days starting PTO for new hires • Tuition/CE reimbursement • Relocation Assistance • Pre-Tax Commuter Benefit Accounts • STD/LTD/Life Insurance with buyup options • Veteran Hiring Preference • Conversion to an Employee-owned firm (ESOP) in 2026—a lucrative benefit to employee-owners! We are an Equal Opportunity Employer Constellation West is proud to be an EEO/AA employer M/F/D/V All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Constellation West will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)

Manage and support secure, high-performing system and network operations including patching, backups, and access controls. | Minimum 3 years network and system administration experience with Secret clearance and US citizenship required. | TESS- Journeyman AMDOTS System/Network Administrator Clearance: Secret level clearance minimum Location: Peterson Space Force Base, CO. U.S.Citizenship required. Position Summary: Journeyman systems/network administrator responsible for managing and controlling AMDOTS IT equipment and supporting secure, available, recoverable, and high-performing system/network operations. Primary Responsibilities • Set up, configure, administer, maintain, and support internal and external networks and server operating systems. • Create and test data backups and support system recoverability, disaster recovery, and contingency planning. • Verify data/system integrity and define or implement database and system access controls. • Maintain system/network availability and performance; troubleshoot performance issues and recommend corrective actions. • Enforce system security, maintain system-administration policies, configuration-control/management plans, and mission-function system schemas. • Perform system-wide integrity tests, apply required security vulnerability patches, install and maintain operating systems/applications, and provide system reports to the Government. Mandatory Qualifications - solicitation minimums • At least 3 years of experience in internal/external network setup, configuration and support; network performance issues; operating-system installation and maintenance; and application installation and maintenance. • U.S. citizenship. • At least a Secret security clearance. Preferred Qualifications • Experience administering secure DoD networks and servers in classified environments. • Experience with backup/recovery, vulnerability patching, access control, configuration management, system hardening, and network performance troubleshooting. • Relevant DoD cybersecurity or system-administration certification(s). ABOUT US: Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations. As a prime contractor or preferred subcontractor, we have a continual list of opportunities to fill nationwide with multiple agencies such as the Department of Veteran Affairs, the Department of Defense, civilian agencies, and the national intelligence community. Many positions supporting the U.S. federal government require our employees to be granted security clearances. CWest strives to provide fully integrated solutions that cover all aspects of system and network engineering, administration, and management. We believe in attracting the right people ready to take on exciting challenges and be part of a dynamic team. Are you one of them? Do you have the expertise and knowledge to solve complex problems? If yes, join us and be a part of an exhilarating work environment that rewards your hard work and dedication. Don't miss out on this fantastic opportunity to make a difference! Benefits include but are not limited to: • Competitive 401(k) plan with employer matching • Competitive Health Benefits with employer contributions • 11 Paid Holidays per year • 15 Days starting PTO for new hires • Tuition/CE reimbursement • Relocation Assistance • Pre-Tax Commuter Benefit Accounts • STD/LTD/Life Insurance with buyup options • Veteran Hiring Preference • Conversion to an Employee-owned firm (ESOP) in 2026—a lucrative benefit to employee-owners! We are an Equal Opportunity Employer Constellation West is proud to be an EEO/AA employer M/F/D/V All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Constellation West will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)

Oversee software development operations, provide technical guidance, perform maintenance, prioritize tasks, and develop code updates for custom applications. | At least 15 years full-stack development experience with Java and modern web frameworks, plus active security clearance. | SENIOR SOFTWARE DEVELOPER SME/SOFTWARE ENGINEER (Remote) REQUIRED SKILLS: * Security Clearance:Active Public Trust/Minimum Background Investigation (MBI) clearance required for this position Required Skills:  * Minimum 15 years of software/web development/engineering/optimization using Object Oriented Programming, specifically full-stack J2EE (Java17/21 required), JavaScript (Angular JS, React, Preact), JEE, Spring Boot/Join Faces, PrimeFaces, JQuery, backup Java Beans, and JSF, or equivalent.  * Hands-on experience either transitioning to or working with Single Page Applications (SPA).  * Experience with software development in environments utilizing ECLIPSE, Visual Studio, JBoss/RedHat Linux, zLinux, Tomcat, HTML5, UML, .NET, Visual Basic, IBM Liberty, and Rocket Verastream Bridge Integrator (VBI), open source iText API, or equivalent. * Hands-on experience working with DevOps, CI/CD Pipelines, GitHub Actions, Incident Tracking/Management, and Enterprise Container Platform (ECP) containers (or equivalent) is also required.  * Hands-on experience conducting unit testing, peer reviews, code check-in/-out procedures, requirements analysis, assessing/document level of effort (LOE), creating screen mockups via tools (i.e., HTML rendering), defect identification/resolution, assisting with troubleshooting development/production server problems, networking and environment configuration.  * Hands-on experience drafting system technical documents (e.g., system design specifications, software user guides, Visio diagrams, process documentation, etc.). * Must be able to quickly integrate into teams and become intimately familiar with custom-built software applications using common open-source components (this is critical). * Desired Skills: Hands-on experience using tools/guidance, or equivalent, such as: GitHub Repository, JIRA, ECLIPSE (2022 or later), Service Now, Selenium test script development, IRS Enterprise Life Cycle (ELC), OneSDLC, IRM/IRS Security regulations, IRM 2.5 System Development, and 508 Compliance. Experience with networking fundamentals, development environments, and change control processes. Familiarity with web interfaces to mainframes is a plus.  Education: Bachelor of Science (Masters preferred) in Computer Science or related discipline with a primary focus on software development/engineering is required. Software development, security, networking, system administration certifications a plus. Job Description and Tasks: Serve as the Senior Software Development Subject Matter Expert (SME) overseeing software development operations, providing guidance as needed, while also performing Operation and Maintenance (O&M) software development activities. Work with the Project Manager, Technical Lead, Cyber Security SME, and QA Tester to execute developer team day-to-day activities, prioritize work, schedule/host developer technical meetings, address issues/propose solutions, provide technical advice, optimize processes, develop work proposals for review/approval, keep Project Manager/Task Lead informed, and develop software code changes/code updates as a productive member of software development team. DESCRIPTION: Constellation West is a 29-year WOSB and Prime Federal Contractor bidding on IRS Criminal Investigation (CI) Management Information System Support Services (MISSS).    Qualified incumbent personnel currently supporting this mission will be afforded Right of First Refusal (ROFR) for applicable positions, consistent with contract requirements and contingent upon continued eligibility, performance, and government approval. ABOUT US: Constellation West is an award-winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations across the Department of Defense and civilian agencies. BENEFITS: • Competitive 401(k) plan with employer matching  • Competitive Health Benefits with employer contributions  • 11 Paid Holidays per year  • 15 Days starting PTO for new hires  • Tuition/CE reimbursement  • Relocation Assistance  • Veteran Hiring Preference  • Employee Stock Ownership Plan (ESOP) EEO: Constellation West is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Lead design and modernization of enterprise middleware and API integration services using Java-based technologies. | Over 10 years experience in software engineering with Java, Spring Boot, IBM webMethods expertise and a relevant bachelor's degree. | Job Overview: Customer: Internal Revenue Services (IRS)  Location: Remote, with occasional onsite support for meetings, deployments, production activities, or knowledge transfer as required. Clearance: No clearance required. Position Summary: Lead the design, development, modernization, and support of enterprise middleware and API integration services supporting the Internal Revenue Service (IRS). This position will provide technical leadership for enterprise integration solutions utilizing Java-based technologies, IBM webMethods, and cloud-native architectures. Required Experience * 10+ years of software engineering experience * Enterprise API development * Java * Spring Boot * REST and SOAP web services * IBM webMethods * Enterprise middleware * Microservices architecture * OpenShift or Kubernetes * Enterprise system integration * Application modernization * Production support and troubleshooting * Agile development Preferred Experience * IRS experience * Federal Government experience * API Gateway experience * DevSecOps environments * Containerized applications Education Bachelor's degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience). Clearance No clearance required. Security Requirements: * No active Secret or Top Secret security clearance is required. * Candidates must be eligible to obtain IRS Staff-Like Access following contract award. * Personnel requiring access to IRS facilities, systems, or Sensitive But Unclassified (SBU) information must successfully complete the IRS personnel security process before beginning work. This includes: * IRS suitability determination * FBI fingerprinting * Background investigation (SF-85/SF-85P, as applicable) * Tax compliance verification * U.S. citizenship or lawful permanent residency verification * Execution of required Non-Disclosure Agreements (NDAs) and IRS security forms Notes: * Strong preference for candidates with IRS or Federal Government IT modernization experience. * Experience with enterprise Java development, APIs, middleware, OpenShift, and microservices will be highly competitive. We are an Equal Opportunity Employer: All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Constellation West will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c) About The Organization: Constellation West is an award winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations. As a prime contractor or preferred subcontractor, we have a continual list of opportunities to fill nationwide with multiple agencies such as the Department of Veteran Affairs, the Department of Defense, civilian agencies, and the national intelligence community. Many positions supporting the U.S. federal government require our employees to be granted security clearances. Constellation West provides fully integrated solutions spanning all aspects of system/network engineering, system/network administration, data management, information assurance, quality assurance, full lifecycle support, software development, and geospatial information services. Constellation West looks for the right people ready to step up and be part of a dynamic team. Are you up for an exciting challenge? Do you want to apply your expertise and knowledge to solve complex problems? Join our team at Constellation West! We offer an exhilarating work environment, a competitive salary, and benefits that will reward your hard work and dedication. Don't miss out on this amazing opportunity! Benefits include but are not limited to: • Tuition reimbursement • Competitive 401(k) plan • Competitive Health Benefits • 11 Paid Holidays!! • 15 PTO Days! • Veteran Hiring Preference Constellation West is proud to be an EEO/AA employer M/F/D/V

Lead design, development, and modernization of enterprise middleware and API integration services with technical leadership. | Over 10 years software engineering experience with Java, Spring Boot, microservices, and a bachelor's degree or equivalent. | Job Overview: Customer: Internal Revenue Services (IRS)   Location: Remote, with occasional onsite support for meetings, deployments, production activities, or knowledge transfer as required. Clearance: No clearance required. Position Summary: Lead the design, development, modernization, and support of enterprise middleware and API integration services supporting the Internal Revenue Service (IRS). This position will provide technical leadership for enterprise integration solutions utilizing Java-based technologies, IBM webMethods, and cloud-native architectures. Required Experience * 10+ years of software engineering experience * Enterprise API development * Java * Spring Boot * REST and SOAP web services * IBM webMethods * Enterprise middleware * Microservices architecture * OpenShift or Kubernetes * Enterprise system integration * Application modernization * Production support and troubleshooting * Agile development Preferred Experience * IRS experience * Federal Government experience * API Gateway experience * DevSecOps environments * Containerized applications Education Bachelor's degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience). Clearance No clearance required. We are an Equal Opportunity Employer: All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. Constellation West will not discharge or, in any other manner, discriminate against employees or applicants because they have inquired about, discussed, or disclosed their pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c) About The Organization: Constellation West is an award winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations. As a prime contractor or preferred subcontractor, we have a continual list of opportunities to fill nationwide with multiple agencies such as the Department of Veteran Affairs, the Department of Defense, civilian agencies, and the national intelligence community. Many positions supporting the U.S. federal government require our employees to be granted security clearances. Constellation West provides fully integrated solutions spanning all aspects of system/network engineering, system/network administration, data management, information assurance, quality assurance, full lifecycle support, software development, and geospatial information services. Constellation West looks for the right people ready to step up and be part of a dynamic team. Are you up for an exciting challenge? Do you want to apply your expertise and knowledge to solve complex problems? Join our team at Constellation West! We offer an exhilarating work environment, a competitive salary, and benefits that will reward your hard work and dedication. Don't miss out on this amazing opportunity! Benefits include but are not limited to: • Tuition reimbursement • Competitive 401(k) plan • Competitive Health Benefits • 11 Paid Holidays!! • 15 PTO Days! • Veteran Hiring Preference Constellation West is proud to be an EEO/AA employer M/F/D/V