> Markdown version of [/jobs/ext/2155362-systems-administrator-s](https://www.wearedevelopers.com/jobs/ext/2155362-systems-administrator-s). 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).

---

# Systems Administrator (S)

- **Company:** After School Matters, Inc.
- **Location:** Dahlgren, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, JIRA, Intrusion Detection Systems, Network Security, Linux Servers, Microsoft Project, Software Requirements Analysis, Verification and Validation (Software), Systems Integration, Virtualization Technology, Cloud Platform System, Firewalls (Computer Science), SC Clearance
- **Published:** August 20, 2026
- **Apply:** https://simisinc.applytojob.com/apply/TELo9A4rRB/Senior-Systems-Administrator-S?source=GS

## About the Role

* Knowledge of network security, firewalls, and intrusion detection systems
 * Experience with virtualization technologies and cloud computing platforms
 * Demonstrated experience with DoD cybersecurity requirements and accreditation processes
 * Use experience gained to help manage complex technical programs involving simulation systems and training environments

Experience Required:

 * Eight (8) years of systems administration experience with three (3) years in leadership roles
 * Mandatory: Must meet DOD 8570 requirements for Information Assurance Technician (IAT) Level II
 * Experience and Knowledge of Navy tactical systems and combat information center operations
 * SECRET clearance, * Preferred: Master's degree or relevant certifications (CISSP, CISM, CISPA)
 * Experience with project management tools (e.g., MS Project, Jira)
 * Demonstrated ability to lead multi-site operations with distributed teams across multiple geographic locations
 * Experience with government reporting requirements and CDRL deliverables

Special Skills/Knowledge/Training Required/Desired:

 * Certified CISSP, CISM, CISPA
 * Project Management Professional (PMP) certification
 * Experience with NSWCDD or Navy programs, Do you possess at least eight (8) years of systems administration experience with leadership responsibilities?*
Do you possess a Secret Clearance?*
Do you have experience managing Windows and Linux server environments in secure environments?*

## Description

SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a U.S. Navy Training Command. This position provides technical leadership for complex simulation and training systems including requirements analysis, system integration, verification and validation, and technical oversight of engineering teams supporting shore-based training systems.

The candidate performs the following specific assignments:

 * Deliver expertise in developing and reviewing system requirements, specifications, and technical documentation
 * Manage multi-site operations with distributed teams across multiple geographic locations
 * Experience managing Windows and Linux server environments


## Related Videos

- [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers)
- [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray)
- [The Software Bug All Stars - and what we can learn from them](https://www.wearedevelopers.com/videos/423-the-software-bug-all-stars-and-what-we-can-learn-from-them)
- [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure)
- [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks)
- [Build Your Own Subscription-based Course Platform](https://www.wearedevelopers.com/videos/321-build-your-own-subscription-based-course-platform)

## Related Articles

- [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing)
- [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)
- [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)
- [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology)
- [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking)