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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer - **Company:** TEKSYSTEMS INC. - **Location:** San Diego, CA, United States - **Experience:** Experienced - **Contract:** Temporary contract - **Skills:** Active Directory, Agile Methodology, Amazon Web Services, Systems Engineering, Automation of Tests, Bash Shell, Cloud Computing, Cyber Security, Data Centers, Data Transport Utility, Distributed Systems, Firmware, Python (Programming Language), Microsoft Software, System Center Configuration Manager, Windows Servers, NetApp Applications, Network Architecture, Data ONTAP (Server Appliance), Windows PowerShell, Scrum Methodology, Software Maintenance, Reliability Engineering, Ansible, Scaled Agile Framework, Software Deployment, Oncommand, Scripting, Computer Networking Systems, Computer Network Operations, Nx-os, Information Technology, Atlassian Tools, Patch Management, Data Management, Oracle Cloud Infrastructure, Devsecops, Cisco, Vmware - **Published:** September 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9161899/systems-engineer ## About the Role Security & Compliance * Active DoD Secret clearance. * DoD 8570 IAT Level II certification. * Operating System/Application Certification, including one of the following: * Microsoft Technology Associate (MTA) * Microsoft Certified Solutions Associate (MCSA) * Microsoft Certified Technology Specialist (MCTS) * Experience supporting classified environments and SIPRNet access. * Working knowledge of: * Risk Management Framework (RMF) * DISA STIGs * ITSM and Change Management processes Systems Administration * 4+ years of systems administration and patch management experience. * Strong Linux/Unix administration experience. * Experience administering Windows Server environments. * Active Directory administration experience. * VMware experience. Automation & Scripting * Strong scripting experience using: * Python * PowerShell * Bash * Experience automating patch deployment, system health checks, and reporting. Infrastructure Technologies * Hands-on experience with: * MECM/SCCM * NetApp ONTAP * Cisco NX-OS * Experience supporting enterprise storage, server, and network infrastructure. Cloud & DevSecOps * Experience with cloud technologies, including AWS. * Experience working in Agile and DevSecOps environments. * Application administration experience. * Experience using Atlassian tools such as Jira and Confluence. Core Competencies * Strong collaboration and communication skills. * Ability to support scheduled off-hours maintenance activities. * Experience operating in highly regulated enterprise environments., * Previous experience supporting the NGEN-NMCI program. * ITIL v4, Scrum Master, Agile SAFe certifications, or equivalent experience. * Experience developing automation solutions using PowerShell or Ansible Playbooks for patch deployment, system health monitoring, and reporting. * Vendor-specific certifications such as: * Microsoft Certified: Windows Server Hybrid Administrator * Prior experience supporting defense-focused enterprise networks with strict SLA and compliance requirements. ## Description Leidos is seeking a Site Reliability Engineer to support the NMCI Service Management Integration and Transport (SMIT) program. This role focuses on the reliability, performance, and scalability of complex distributed systems supporting the Navy-Marine Corps Intranet (NMCI). The SMIT team is responsible for cybersecurity services, network operations, network engineering, service desk support, seat services, and data transport infrastructure., * Collaborate with development and operations teams to ensure reliable and efficient software deployments. * Monitor systems and continuously improve platform reliability and performance. * Coordinate and execute production releases during scheduled maintenance windows, including off-hours activities when required. * Administer Windows Server environments, including patch distribution, compliance monitoring, and reporting using Microsoft Endpoint Configuration Manager (MECM/SCCM). * Coordinate firmware updates, disk qualification packages, and system upgrades across NetApp ONTAP storage environments utilizing Active IQ Unified Manager and OnCommand Insight (OCI). * Plan and execute non-disruptive software maintenance releases, SMUs, and image upgrades across Cisco NX-OS data center switches. * Support infrastructure and application environments while maintaining compliance with defense and cybersecurity requirements. Key Metrics of Success * Maintain adherence to a seven-day vulnerability-to-production patching cadence for assigned enterprise infrastructure assets. * Ensure comprehensive and regularly updated automated test coverage for critical systems and infrastructure components., This position supports a critical engineering team responsible for maintaining the reliability, security, performance, and operational readiness of enterprise infrastructure supporting the Navy-Marine Corps Intranet environment. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Events like RSAC Get You CISOs. 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