> Markdown version of [/jobs/ext/3543319-infrastructure-engineer-iv](https://www.wearedevelopers.com/jobs/ext/3543319-infrastructure-engineer-iv). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Infrastructure Engineer IV - **Company:** Lockheed Martin - **Location:** Littleton, CO, United States - **Salary:** $118,000.0 - $219,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Systems Engineering, Systems Analysis, Red Hat Enterprise Linux, Verification and Validation (Software), Systems Integration, Computer Network Technologies, Firewalls (Computer Science), Information Technology - **Published:** October 1, 2026 - **Apply:** https://www.jobmonkeyjobs.com/career/28068316/Infrastructure-Engineer-Iv-Colorado-Littleton-1301 ## About the Role * Must have an active Top Secret / SCI clearance and adjudicated polygraph to start * Possesses active 8570 IAT Level II or higher certification (Security+, CISSP, other) * Comprehensive system administration in a variety of systems: Windows 2016, Windows 10/11, RHEL 7/9 * Experience with driving cyber compliance (RMF/ NIST 800-53) * Experience in fast-paced development environments * Self-driven work ethic Desired Skills * Experience supporting or acting as ISSO or ISSE roles * Experience with networking technologies (firewalls, switches) * Experience guiding projects to completion * Experience with containerization ## Description Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems, and information technology related responsibilities including design, development, and analysis of computer systems or programs based on and related to user or system design specifications; applying systems analysis techniques and procedures, including consulting with users to determine hardware, software, or system functional specifications. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. For positions that do not perform IT responsibilities, use E146, Systems Engineer.