> Markdown version of [/jobs/ext/1283041-senior-systems-administrator-cybersecurity-network-operations-5088](https://www.wearedevelopers.com/jobs/ext/1283041-senior-systems-administrator-cybersecurity-network-operations-5088). 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). --- # Senior Systems Administrator - Cybersecurity & Network Operations (5088) - **Company:** Three Saints Bay, Llc - **Location:** Philadelphia, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cyber Security, Information Systems, Computer Programming, File Server, Web Servers, Network Administration, Systems Integration, Computer Networking Systems, Computer Network Operations, SC Clearance, Navsea, Information Technology - **Published:** July 15, 2026 - **Apply:** https://dejobs.org/x/x/5443753C38054F679DBB8B593F16D273/job/ ## About the Role * Secret Clearance * Education Requirements * Bachelor's degree from an accredited college or university in one of the following disciplines: * Information Technology * Engineering * Computer Science * Information Systems * Experience Requirements * Candidates may qualify at one of two levels: * Level IV * Minimum of ten (10) years of experience in IT and computer programming * At least three (3) years supporting development of tools for NSWCPD and NAVSEA SEA21 programs * Advanced proficiency in cybersecurity and systems integration * Level III * Minimum of seven (7) years of experience in engineering, computer science, or information systems * Demonstrated experience supporting daily operations of network systems including workstations, file servers, and web servers * Intermediate proficiency in cybersecurity and network administration * Required Certifications * Certifications must align with the Cybersecurity Workforce (CSWF) and DoD IAT Level standards: * Level IV - IAT-3 / Advanced CSWF Proficiency * One or more of the following: * CASP+ CE * CCNP Security * CISA * CISSP (or Associate) * GCED * GCIH * Level III - IAT-2 / Intermediate CSWF Proficiency * One or more of the following: * CCNP Security * CySA+ GICSP * GSEC * Security+ CE * SSCP ## Description * Administer and secure enterprise-level IT systems and networks * Support development and deployment of tools for Navy programs * Monitor and maintain server infrastructure, including web and file servers * Implement cybersecurity protocols and ensure compliance with DoD standards * Collaborate with engineering and program teams to support operational readiness ## Related Videos - [From Zero to Hero: NextJS 13 and Tailwind CSS for Beginners](https://www.wearedevelopers.com/videos/766-from-zero-to-hero-nextjs-13-and-tailwind-css-for-beginners) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Get ready to Rustle](https://www.wearedevelopers.com/videos/698-get-ready-to-rustle) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Closing Keynote by Joel Spolsky](https://www.wearedevelopers.com/videos/615-closing-keynote-by-joel-spolsky) - [Building Better with Nuxt 3](https://www.wearedevelopers.com/videos/320-building-better-with-nuxt-3) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)