Computer World Services

Design, deploy, and manage secure enterprise Linux environments with automation and security compliance. | 3+ years Linux experience, 2+ years Ansible and Linux virtual desktop support, US citizenship or permanent residency with clearance eligibility. | An experienced Linux Engineer to join our infrastructure team and serve as a technical leader in the design, deployment, and operational management of our enterprise Linux environment. This role is responsible for maintaining a secure, highly available, and performant fleet of Linux servers and virtual desktops running across AWS and VMware platforms. The successful candidate will bring deep expertise in Linux administration, configuration management with Ansible, and security baseline hardening aligned with the CIS standard. Working closely with application owners, developers, and analytics engineers, the Linux Engineer will drive automation, enforce patching and vulnerability remediation, and ensure that our Linux infrastructure reliably supports mission-critical business and analytics workloads. \n Key Tasks & Responsibilities Linux Systems Administration & Troubleshooting Manage, maintain, and troubleshoot Linux servers deployed in AWS across a mixed distribution environment, including Amazon Linux 2023, Ubuntu 22.04 and later, and Red Hat Enterprise Linux 8 and 9. Diagnose and resolve complex operating system, networking, storage, and performance issues across the server fleet. Make performance-based recommendations for server configuration changes to optimize workloads, cost, and reliability. Virtual Desktop Support Support and maintain Linux-based virtual desktop environments running on VMware and AWS WorkSpaces. Partner with end users and application teams to ensure a stable, secure, and productive virtual desktop experience. Security Baselines & Hardening Develop, deploy, and maintain Linux operating system baselines aligned with Center for Internet Security (CIS) benchmarks. Collaborate with application owners to customize security baselines as needed to enable application functionality without compromising the organization's security posture. Configuration Management & Automation Perform enterprise-wide configuration management using Ansible. Author, maintain, and version-control Ansible playbooks used to define system baselines, configurations, and repeatable operational tasks. Application Support & Collaboration Work directly with application owners, developers, and analytics engineers to deploy, upgrade, migrate, and maintain applications running on Linux. Serve as a trusted infrastructure partner during application lifecycle events, providing guidance on Linux best practices. Monitoring & Uptime Develop and maintain monitoring solutions for servers across the enterprise to ensure maximum system uptime and rapid incident detection. Continuously improve alerting, dashboards, and observability to reduce downtime. Patching & Vulnerability Remediation Oversee regular and ad-hoc system patching efforts to ensure timely vulnerability remediation in accordance with organizational SLAs. Monitor and enforce patching requirements using AWS Systems Manager. Cloud Infrastructure & Infrastructure-as-Code Deploy and manage infrastructure using AWS CloudFormation and AWS Service Catalog. Contribute to and maintain reusable, standardized infrastructure templates that streamline provisioning and enforce compliance. Education & Experience Required 3 or more years of hands-on experience managing Linux systems in a production environment. 2 or more years of experience performing configuration management using Ansible, including authoring and maintaining playbooks and roles. 2 or more years of experience supporting Linux virtual desktops. Demonstrated experience working in a large government, financial, regulatory, or corporate environment, where formal change management, security compliance, and audit requirements are standard. Preferred Bachelor's degree or higher Experience supporting analytics infrastructure, such as Hadoop clusters, AWS EMR, HPC grid clusters using SLURM, AWS Parallel Cluster, or other distributed computing platforms. Experience administering VMware virtual desktops or AWS WorkSpaces at scale. Proficiency with Python for automation, scripting, and tooling development. Certifications Preferred Red Hat certifications Amazon Web Services (AWS) certifications Security Clearance Public Trust High (Tier 4/BI) Risk Level Must be a US citizen or Lawful Permanent Resident Other (Travel, Work Environment, DoD 8570 Requirements, Administrative Notes, etc.) D.C or Remote \n Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations. Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at hr@cwsc.com.

Engineer, build, configure, and maintain Windows, Cloud, Virtualization, and Storage systems with a focus on Active Directory, M365, and virtualization platforms. | 10+ years IT experience with expertise in Active Directory/Entra ID hybrid environments, Microsoft 365 administration, VMware, PowerShell scripting, and documentation skills. | The contractor will support OFR's efforts to engineer, build, configure and maintain the OFR's Windows, Cloud, Virtualization and Storage systems following best practices to better ensure that OFR designs, deploys and sustains secure, high quality, highly available information technology solutions that align with operational objectives.Duties Include But Not Limited ToExpert in Active Directory/Entra ID administration in a Hybrid EnvironmentProficiency in Active Directory administration, FSMO roles, replication, and OU managementKnowledge of PKI, CAC/ALT-token authentication, and certificate lifecycle managementExpert in Microsoft 365 Management (Hybrid) administration including Exchange Online, Teams, and OneDrive for Business.Experienced in Virtualization; Manage and optimize virtualization platforms (e.g., VXRail/VMware/Horizon).Systems administration of Windows systems using PowerShell, scripting, and automation.Desktop/Laptop deployment and management.Amazon Web Services Windows instances deployment and administration - a plusSCCM (MECM) / Intune administration in a co-managed environment, including patching, package prep and deployment and reporting on Windows devices – a plusDocumentation, development of system diagrams and SOPsConducting integration testing, transition and acceptance and training from the Engineering phase to the production phase.Coordinate activities at the system interface boundaries with other contractors and Government organizations.Key Tasks & ResponsibilitiesMicrosoft Active Directory: Administer and maintain Active Directory (AD) and Group Policy Objects (GPOs). Manage user accounts, permissions, and security groups. Implement AD best practices and troubleshoot AD-related issues. Perform regular AD health checks and ensure system integrity. Administer DHCP, DNS, and file/directory permissions. Utilize PowerShell for automation, reporting, and system management. Manage folder and file share permissions following least-privilege principles.Office 365 Management (Hybrid): Administer Office 365 environment, including Exchange Online, Teams, and OneDrive for Business. Manage user accounts, licensing, and service configurations. Lead and drive Microsoft 365 upgrades, migrations, and platform modernization effort. Implement best practices around identity, access, and compliance policies using Conditional Access, DLP, Sensitivity Labels, and Defender for Office 365.Virtualization: Manage and optimize virtualization platforms (e.g., VXRail/VMware/Horizon). Oversee virtual machine creation, configuration, and performance tuning. Ensure high availability and disaster recovery solutions for virtual environments. Troubleshoot and resolve virtualization-related issues.Server Maintenance: Oversee physical and virtual servers Monitor server performance, conduct regular updates, and perform backups. Troubleshoot and resolve server issues to minimize downtime. Implement and manage server security patches and updates.Documentation and Reporting: Maintain accurate and up-to-date documentation for all IT systems and procedures. Create and manage system diagrams, configuration records, and troubleshooting guides. Generate regular reports on system performance, security incidents, and project status.Collaboration and Support: Work closely with other IT staff, departments, and external vendors to resolve technical issues. Provide guidance and mentorship to junior IT staff and helpdesk personnel. Participate in IT planning and strategy sessions.Education & Experience10+ or more years of IT experience in an Active Directory environmentExperienced in M365 Hybrid environment (on-prem / M365)Experience with Windows PowerShell scripting.Must Have Experience In The Following TechnologiesExpert in Active Directory/Entra ID administration in a hybrid environmentCertificate lifecycle managementExpert in Microsoft 365 administrationVxRail / VMware / Horizon management and administrationSystems administration of Windows systems using PowerShell, scripting, and automationManage Engine tools (ADManager/ADAudit/AD360)BeyondTrust (Bomgar) solutions experience a plus (Remote Assistance/PAM)Windows server deployment in cloud (AWS) and virtualized environments (VMware) (Windows 2019/20222 experience preferred)Documentation, development of system diagrams and SOPsConducting integration testing, transition and acceptance and training from the Engineering phase to the production phase.Coordinate activities at the system interface boundaries with other contractors and Government organizations.Preference Given For Experience In The Following TechnologiesActive Directory/Entra IDMicrosoft 365 administrationCertificate lifecycle managementSkilled in using Active Directory Group Policies to manage and configure security settings on Windows as well as general Active Directory administrationWorked in VMware environments with Horizon VDI solutions or Windows AWS Workspaces solutionMDM Solution such as IntuneExcellent written and verbal communications skillsCertificationsPreference given for Microsoft certificationsPreference given for VMWare certificationSecurity ClearancePublic Trust High (Tier 4/BI) Risk LevelMust be a US citizen or Lawful Permanent ResidentOther (Travel, Work Environment, DoD 8570 Requirements, Administrative Notes, etc.)The position is remote but preference is given to candidates in the DC metro area.Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations.Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at [email protected] .We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.J-18808-Ljbffr Remote Skills: Amazon Web Services (AWS), Artificial Intelligence (AI), Authentication, Automation, Best Practices, Business Intelligence, Cloud Computing, Computer Security, Computer Services, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Desktop PC, Desktop Virtualization, Disaster Recovery, DoD Directive 8140, DoD Directive 8570, Documentation, Environmental Management, File Management, Government Contracts, Government Organizations, Hardware Virtualization, Help Desk, High Availability, Identify Issues, Information Technology & Information Systems, Integration Testing, Interviewing Skills, Laptop PC, Licensing, Mentoring, Microsoft Active Directory, Microsoft Exchange Server, Microsoft Exchange Server Administration, Microsoft Product Family, Microsoft Windows NT Group Policy, Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Windows System Administration, Office Management, People Management, Performance Analysis, Performance Management, Performance Tuning/Optimization, Presentation/Verbal Skills, Problem Solving Skills, Public Key Infrastructure (PKI), Replication and Remote Mirroring, Reporting Skills, Risk, Scripting (Scripting Languages), Security Monitoring, Security Patches, Server Maintenance, Software Patches, Strategic Planning, Systems Administration/Management, Systems Engineering, Testing, United States Citizen, User Account Administration, VMWare, Virtual Machine (VM), Virtualization, Windows PowerShell About the Company: Computer World Services

Lead and supervise system administration team managing enterprise systems, virtualization, and backup environments ensuring optimal performance and compliance. | 5-8 years of system administration experience with leadership in VMware, backup systems, Windows and Linux servers, and scripting; bachelor's degree and relevant certifications preferred. | Computer World Services Corp (CWS) is seeking a detail-oriented and results-driven System Administrator Team Lead who is responsible for supervising and managing the daily operations, configuration, and performance of enterprise systems within a complex Data Center environment supporting NIEHS mission-critical services. This role leads a team of system administrators responsible for server infrastructure, virtualization platforms, and backup and recovery services. The System Administrator Team Lead ensures optimal system performance, capacity utilization, availability, and compliance with Federal and NIH IT standards while providing technical leadership across VMware and enterprise backup environments. Key Tasks & Responsibilities Systems Administration Leadership • Supervise and manage daily activities related to configuration and operation of enterprise systems, including Windows and Linux server environments • Lead system administration team activities supporting mainframe, client/server, and virtualized infrastructures • Coordinate workload assignments, prioritization, and operational support activities across the team • Provide technical leadership and escalation support for complex system issues VMware Virtualization Oversight • Oversee VMware vCenter environments, including virtual machine provisioning, configuration, and lifecycle management • Monitor virtual infrastructure performance, resource utilization, and capacity trends • Ensure optimal allocation of compute, memory, and storage resources across virtual environments • Support virtualization planning, upgrades, and system optimization initiatives Backup & Recovery Oversight • Supervise enterprise backup and recovery operations across servers, virtual machines, and storage systems • Ensure backup schedules are executed successfully and aligned with organizational policies • Oversee restoration testing, including file-level and system-level recovery procedures • Ensure compliance with Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) • Monitor backup integrity, job success rates, and system reliability System Performance & Capacity Management • Plan and monitor system performance, optimization, and resource utilization across enterprise environments • Conduct system capacity analysis and forecasting to support infrastructure planning • Identify performance bottlenecks and implement corrective actions to ensure system efficiency • Support scalability planning for growth in users, applications, and data Operations Support & User Assistance • Provide oversight for user support related to access and use of enterprise systems • Ensure timely resolution of system access issues and service disruptions • Coordinate with support teams to ensure consistent service delivery and user satisfaction Infrastructure Planning & Implementation • Participate in planning, design, and implementation of system upgrades and infrastructure enhancements • Support evaluation and deployment of new system technologies and tools • Collaborate with network, storage, database, and application teams to ensure seamless integration • Ensure systems align with enterprise architecture and security requirements Monitoring, Reporting & Compliance • Monitor system health, availability, and performance metrics across environments • Maintain documentation of system configurations, changes, and operational procedures • Provide regular operational reports on system utilization, performance, and incidents • Ensure compliance with Federal, NIH, and organizational IT policies and standards Required Technical Skills • VMware vCenter administration and virtualization management • Windows Server and Red Hat Enterprise Linux (RHEL) administration • Enterprise backup and recovery systems (e.g., Veeam, Commvault, or equivalent) • System performance monitoring and capacity planning • User access management and enterprise system support • Troubleshooting complex system and infrastructure issues • Familiarity with TCP/IP networking concepts and system connectivity Preferred Skills • Experience supporting Federal or NIH environments • Familiarity with hybrid cloud environments (e.g., Azure integration) • Experience with storage systems (SAN, NAS, DASD) • Experience with automation and scripting (PowerShell, Bash, Python) • ITIL Foundation certification or equivalent IT service management experience Key Competencies • Team leadership and task prioritization • Strong troubleshooting and analytical skills • Capacity planning and performance optimization • Effective communication with technical and non-technical stakeholders • Operational discipline in high-availability environments • Ability to manage multiple competing priorities in a mission-critical setting Education & Experience Education • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field Experience • 5-8 years of experience in system administration within enterprise IT environments • Experience supervising or leading technical teams in Data Center operations • Experience supporting VMware and enterprise backup systems • Demonstrated experience managing software lifecycle and configuration management processes Certifications • VMware VCP (virtualization backbone) • Azure Administrator (hybrid cloud) • RHCE (Linux operations) • Security+ (federal compliance baseline) • Certified ScrumMaster (CSM) or Agile certification • Certifications such as CompTIA A+, Network+, or Microsoft certifications • ITIL certification preferred Security Clearance • Applicants must be able to obtain a Public Trust clearance Computer World Services is an affirmative action and equal employment opportunity employer. Current employees and/or qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, disability, protected veteran status, genetic information or any other characteristic protected by local, state, or federal laws, rules, or regulations. Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at [email protected]. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.