Systems Engineer

Leidos is seeking an experienced Systems Engineer to support a complex, multi-year contract providing Systems Engineering and Integration support to the Defense Information Systems Agency (DISA).

The Systems Engineer will support a high-priority, high-visibility development, integration, and implementation effort for a mission-critical DISA Cross Domain program.

The successful candidate will be a motivated, forward-leaning engineer with demonstrated technical expertise, strong problem-solving abilities, and experience supporting complex systems engineering and integration activities.

Primary Responsibilities

• Analyze and decompose customer and system requirements in alignment with cross-domain roadmaps and mission objectives.
• Design, implement, integrate, and maintain cross domain systems and infrastructure, including servers, networks, storage systems, and software applications.
• Independently configure, administer, and troubleshoot physical and virtual environments, including VMware and ESXi systems.
• Implement, validate, and maintain system security configurations, including DISA Security Technical Implementation Guides (STIGs), to ensure compliance with applicable security requirements.
• Perform hands-on hardware and software configuration of systems, including network configuration, cabling, and integration of physical devices.
• Collaborate with stakeholders to analyze requirements, evaluate technical solutions, and support engineering decisions aligned with mission and security objectives.
• Independently install, configure, maintain, and troubleshoot IT system components to ensure operational stability, reliability, and performance.
• Work directly with customers, mission partners, program managers, and technical team members to coordinate and execute system integration activities.
• Develop, modify, and maintain automation scripts using technologies such as Ansible, Python, Bash, and PowerShell to streamline deployments, support internal lab environments, and address program maintenance priorities.
• Provide technical support for system infrastructure, network security, and Authorization & Accreditation (A&A) activities, including security assessments and remediation efforts.
• Develop and maintain technical documentation, system architecture diagrams, and Engineering Implementation Plans.
• Execute system integration, testing, verification, and validation activities to ensure systems and components meet technical and operational requirements.
• Maintain accurate hardware, software, and configuration records to support system baselines, documentation updates, and configuration management processes.
• Identify and troubleshoot complex system issues, perform root cause analysis, and recommend corrective actions to improve system performance and reliability.
• Contribute to the development of technical procedures, training materials, and knowledge-sharing initiatives across the engineering team.

Basic Qualifications

• Active Secret clearance is required; active TS clearance preferred.
• Bachelor's degree in Computer Science, Engineering, or a related field with 4–8 years of relevant experience, or an equivalent combination of education and experience.
• Demonstrated experience with full lifecycle systems engineering, development, integration, testing, and implementation activities.
• Strong hands-on experience configuring, administering, and troubleshooting VMware and ESXi virtualization environments.
• Demonstrated experience with hardware and software configuration of physical systems, including network configuration, cabling, and integration of physical devices.
• Experience developing and maintaining DoDAF architecture frameworks to support systems engineering design and implementation, including proficiency with Microsoft Visio.
• Demonstrated experience performing advanced Tier III-level troubleshooting, root cause analysis, and resolution of complex technical issues within operational environments.
• Experience developing, modifying, or maintaining automation scripts using technologies such as XML, Python, Bash, PowerShell, Java, or C++.
• Strong working knowledge of system development processes, databases, operating systems, and enterprise IT infrastructure concepts.
• Hands-on Linux command-line experience, with certification such as CompTIA Linux+ or Red Hat certification, and understanding of virtual machine architecture.
• Experience implementing and maintaining DISA STIGs and supporting security compliance within DoD environments.
• Must possess DoD 8140 (formerly 8570) IAT Level II certification (e.g., Security+) prior to start date and maintain certification.
• Demonstrated ability to independently analyze technical requirements, troubleshoot complex systems, and implement effective engineering solutions with minimal oversight.
• Strong analytical, organizational, and communication skills, with the ability to collaborate effectively across technical teams and mission stakeholders.
• Ability to manage multiple technical assignments, adapt to changing priorities, and consistently deliver high-quality work in a dynamic operational environment.
• Willingness to travel CONUS and OCONUS up to 10% of the time.

Preferred Qualifications

• Active TS clearance.
• Familiarity with containerization technologies, including Docker and OpenShift.
• Cisco Certified Network Associate (CCNA) certification.
• Experience supporting end-to-end cross domain systems development, integration, and deployment efforts.
• Experience working within DISA or other DoD enterprise environments.
• Experience with infrastructure automation and configuration management tools.
• Familiarity with engineering best practices such as Raise the Bar Version 5.