System Administrator, Sr

Mission Multiplier is seeking a high-impact System Administrator, Sr. (Lab Operations) to support the execution of a complex contract supporting the Naval Surface Warfare Center Panama City Division (NSWC PCD). This role provides advanced infrastructure engineering, network design, and systems leadership for Department of the Navy modeling and simulation (M&S), training, and other information systems ensuring maximum uptime, scalability, and operational readiness.

This role architects and oversees Software-in-the-Loop (SWIL) and Hardware-in-the-Loop (HWIL) environments, driving configuration control and mentoring junior technical staff.

• Installing, configuring, and maintaining servers, operating systems, network switches, and storage arrays
• Managing user access and virtualization environments; and overseeing configuration control for complex lab baselines
• Ensures systems meet necessary DOD and Navy security baselines by applying operating system patches, implementing DISA STIGs, and maintaining required CSWF certifications.

• 10+ years of relevant civilian or military system administration experience.
• Bachelor's degree in Computer Science, Information Technology, or other relevant field of study.
• Advanced Operating System / Computing Environment (CE) certification (e.g., Windows Server, Red Hat/Linux, or Cisco CCNP/CCNA).
• Expert-level experience architecting, configuring, and troubleshooting physical/virtual servers, enterprise network devices, and shared storage architectures (SAN/NAS).
• Proven track record leading configuration management, disaster recovery, and hardware lifecycle planning across complex classified and unclassified lab environments.
• CompTIA Security+ certification.

• Advanced degree in a relevant field of study.
• Direct experience architecting or leading SWIL/HWIL environments, tactical systems, or Navy/DoD simulation and experimentation labs.
• Deep expertise in deploying and managing enterprise virtualization platforms (e.g., VMware vSphere/ESXi clustered environments).
• Experience with infrastructure-as-code, automated deployment tools, or advanced scripting (Power Shell/Bash) to streamline lab operations.
• Experience with executing system patching/STIG compliance verification.
• Experience working within a DOD Dev Sec Ops  or Agile-based development environment.

Mission Multiplier is a certified small business headquartered in Huntsville, Alabama. We multiply the impact that clients can make against their mission objectives by providing cybersecurity subject matter expertise and thought leadership. Our goal is to multiply the successes that our clients achieve against their respective missions, while simultaneously enabling the missions of our employees - with the end result of securing and enriching the communities we serve - through the delivery of innovative cybersecurity solutions.

Mission Multiplier is community-focused first and commits to being an EEO employer. Because of this we do not and will never discriminate on the basis of race, color, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, age (40 or older), disability, genetic information, or any other protected class characteristic protected by federal, state, or local law. If you require an accommodation, please email our Human Resources department at

• Group Life Insurance
• Voluntary Life/AD&D Insurance
• Medical Insurance
• Secondary/GAP Insurance
• Vision Coverage
• Short-Term Disability Insurance
• Long-Term Disability Insurance
• Critical Illness Insurance
• 401k (w/ employer match) after six (6) months of continuous service

This posting does not contain an exhaustive list of job responsibilities. Job responsibilities can and may change between postings or during the course of the job.