Nationwide IT Services

Design, develop, modernize, test, and integrate secure enterprise applications for the Defense Logistics Agency across the software development lifecycle. | Requires at least five years of software engineering experience with .NET, C#, and React, plus CompTIA Security+ certification, a favorable Tier 3 investigation, and Secret clearance. | Software Systems Engineer Security Requirement: Favorable Tier 3/NACLC/ANACI investigation required at proposal submission. Secret clearance. Certification Requirements: CompTIA Security+, at least one Microsoft Azure certification (AZ-204, AZ-305, or AZ-400), and DoD 8140 baseline certification. Position Summary Nationwide IT Services (NIS) is seeking a highly qualified Software Systems Engineer to support a federal IT application modernization and sustainment program for the Defense Logistics Agency (DLA). The Software Systems Engineer will design, develop, modernize, integrate, and sustain complex enterprise applications supporting a Department of Defense (DoD) mission. This position requires strong technical expertise in software engineering, application architecture, development, testing, debugging, and system integration. The successful candidate will modernize legacy applications, develop secure and scalable software solutions, and collaborate with multidisciplinary technical teams to enhance application functionality, performance, security, and reliability. This position is contingent upon contract award and funding. Key Responsibilities Design, develop, modernize, integrate, and sustain enterprise software applications supporting DoD mission requirements. Provide technical engineering support throughout the software development lifecycle (SDLC), including requirements analysis, architecture, design, coding, testing, debugging, deployment, and documentation. Develop and maintain applications using .NET Framework, C#, React, ADO.NET, and dependency injection design techniques. Support modernization of legacy applications to modern .NET architectures and cloud-based environments. Design, develop, integrate, and maintain REST APIs to support secure data exchange between internal and external systems. Develop and enhance front-end and back-end application components to improve system functionality, performance, usability, and maintainability. Utilize Git and established source code management practices to support version control, collaborative development, and software releases. Participate in Agile software development activities, including sprint planning, backlog refinement, technical reviews, and iterative application delivery. Support DevSecOps practices and continuous integration/continuous delivery (CI/CD) pipelines to automate software builds, testing, security assessments, and deployments. Conduct unit testing, integration testing, debugging, and quality assurance activities to identify and resolve software defects. Support application security testing, vulnerability remediation, and compliance with DoD cybersecurity standards and secure development practices. Analyze existing application architectures and recommend technical improvements, system enhancements, and modernization solutions. Develop and maintain technical documentation, including software design specifications, system architecture diagrams, interface documentation, and testing procedures. Collaborate with software developers, systems administrators, cybersecurity professionals, and government stakeholders to resolve technical issues and support application modernization objectives. Support user acceptance testing (UAT), troubleshoot identified defects, and implement corrective actions before production deployment. Assist with application configuration, integration, performance optimization, and ongoing software maintenance. Ensure software solutions align with established technical requirements, government standards, and program objectives. Required Qualifications Minimum of five years of relevant software engineering experience. Experience with .NET Framework, C#, REST APIs, React, Git, ADO.NET, and dependency injection. Experience designing, developing, integrating, testing, debugging, and maintaining enterprise software applications. Experience supporting software development, lifecycle activities, application modernization, and technical documentation. CompTIA Security+ certification. At least one of the following Microsoft Azure certifications: Microsoft Certified: Azure Developer Associate (AZ-204). Microsoft Certified: Azure Solutions Architect Expert (AZ-305). Microsoft Certified: DevOps Engineer Expert (AZ-400). DoD 8140 baseline certification. Minimum Education No specific degree requirement identified in the provided minimum qualifications. Security Requirements Favorable Tier 3/NACLC/ANACI investigation required at the time of proposal submission. About Nationwide IT Services NIS is a CVE-verified Service-Disabled Veteran-Owned Small Business and an IT and management consulting company. Our mission is to deliver value-added services to our customers, leveraging technology, people, and industry best practices to implement innovative solutions through our trusted employees and team members. Our benefits package includes medical, dental, and vision insurance; life and disability insurance; a 401(k) plan with employer match; paid holidays; PTO (sick/vacation); commuter benefits; an employee assistance program (EAP); educational reimbursement; and pet insurance. Salary Range: To be determined. The salary range is a general guideline. We consider several factors when determining base salary offers, including the position's scope and responsibilities, the candidate's experience, education, and skills, and current market conditions.

Plan, install, and maintain network software and communication links to ensure stable system operations and resolve complex software and connectivity issues. | At least seven years progressive experience with four years hands-on software configuration, Secret clearance, and DoD 8570.01-M baseline certification required. | Senior Systems Administrator Clearance: Secret Certification Requirements: IAT I; DoD 8570.01-M baseline certification and specified computing environment credentials. Position Summary Nationwide IT Services, NIS, seeks a Senior Systems Administrator to ensure stable operation of computer software systems and network connections. This fully remote role plans, installs, configures, maintains, supports, and optimizes network software and communication links; resolves user software and connectivity issues; and supports operational systems deployed at multiple locations. The administrator applies advanced application networking knowledge, performs vulnerability management, and recommends technology direction aligned with business needs. The position supports all task areas. This position is contingent upon contract award and funding. Key Responsibilities Plan, develop, install, configure, maintain, support, and optimize network software and communication links. Analyze and resolve end-user software, program, and connectivity issues and provide end-user training. Provide maintenance support for operational systems at multiple locations, covering both local and remote systems. Perform general maintenance, upgrades, and new installations of servers and applications. Apply advanced application networking knowledge, including application load balancing and fault tolerance. Perform vulnerability management to support secure operation of systems and applications. Recommend technology direction that aligns with the organization’s business vision. Required Experience At least seven years of progressive experience in Information Processing. Within that experience, at least six years specializing in multiple Information Processing disciplines involving a range of hardware and software solutions. At least four years of concentrated, hands-on experience installing, configuring, maintaining, and resolving issues with various software. Security and Certification Requirements The following requirements apply if the assigned duties require privileged access. Sensitivity level: IT I – Secret. Information assurance level: IAT I. DoD approved 8570.01-M baseline certification for application, data, database, utility, or software tools administration requiring privileged access. Computing Environment Certifications The specified computing environment certifications are listed below. M2008 NET 7; MCITP SA; MCITP EA; CSA:WS2012; MCSE:WS2012; MCSA:WS2008; MCSM:DS; M2012 NET. MCM: Windows Server 2008: Directory; MCA: MS Windows Server Directory; CCAA; GCWN M. SAPCTA – System Administration (Oracle DB) with SAP NetWeaver 7.5. SAPCTA – System Administration (SAP HANA as a Database) with SAP NetWeaver 7.5. SAP CAA – SAP Business Objects Business Intelligence Platform 4.2. SAPCTA – SAP System Administration with SAP NetWeaver 7.5 (Delta). SAPCTA – SAP System Administration (SAP HANA as a database) with SAP NetWeaver 7.5 (Delta). SAP HA200; SAP BOE320. About Nationwide IT Services NIS is a CVE-verified Service-Disabled Veteran-Owned Small Business and an IT and management consulting company. Our mission is to deliver value-added services to our customers, leveraging technology, people, and industry best practices to implement innovative solutions through our trusted employees and team members. Our benefits package includes medical, dental, and vision insurance; life and disability insurance; a 401(k) plan with employer match; paid holidays; PTO (sick/vacation); commuter benefits; an employee assistance program (EAP); educational reimbursement; and pet insurance. Salary range $175,000 to $182,000 annually The salary range is a general guideline. We consider several factors when determining base salary offers, including the position's scope and responsibilities, the candidate's experience, education, and skills, and current market conditions.