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# Senior Systems Engineer

- **Company:** Two Six Technologies
- **Location:** Fairfax, VA, United States
- **Experience:** Expert
- **Salary:** $150,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Access Network, Active Directory, Systems Engineering, Cyber Security, Information Systems, Data Recovery, Linux, VMware ESX Servers, Linux Servers, Windows Servers, Red Hat Enterprise Linux, VMware VSphere, Backup and Restore, Network Routers, Firewalls (Computer Science), Information Technology, Servicenow, User Accounts
- **Published:** July 11, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=5ebc394cddec1522

## About the Role

* 5+ years of experience supporting a IC community classified network (like JWICS) as a System Engineer, Network Engineer or Network Administrator
 * Bachelor's degree in Cybersecurity, Computer Science, Information Security, or a related degree or advanced professional industry certifications and additional experience can be substituted
 * 8140 certification such as Security+, GCISP, GSEC, SSCP, CASP+, CISM, CISSP, CCNA, etc.
 * Solid experience supporting Windows servers or workstations
 * Experience working with routers, switches and firewalls
 * Working knowledge of tools such as ServiceNow and Talon
 * Working knowledge of the Linux environment
 * Working knowledge of government regulations such as the DCSA Assessment and Authorization Process Manual (DAAPM), NIST SP 800-53, NIST SP 800-171, etc.
 * Basic understanding of security compliance matrix

What we would like:

 * Experience building a classified network
 * Experience setting up network access storage

Security Clearance needed:

 * Active TS/SCI w/Poly

Looking for other great opportunities? Check out Two Six Technologies Opportunities for all our Company's current openings!

## Description

Two Six Technologies is growing, and we are looking for a Senior System Engineer to join our Corporate Security team. You will be responsible for engineering, administering and maintaining the classified network. The ideal candidate is one who is eager to learn and adapt to new challenges in a fast-paced and growing environment, have great attention to detail, strong analytical and critical problem-solving abilities, and excellent communication skills.
The environments you will work in include Windows 11, Active Directory/Group Policy, Red Hat Enterprise Linux (RHEL), VMWare vSphere / ESXi, etc.
The position will be based out of our Herndon, VA office with potential local travel to our other sites.
What You Will Do:

 * Engineering and maintaining networks for both classified and unclassified use
 * Install, configure, administer and maintain Windows and Linux servers and workstations
 * Administering user accounts and access control within information systems to include creation of user accounts, assigning permissions to accounts, and enforcing security access policies to ensure compliance
 * Troubleshooting and resolving technical issues
 * Perform system backups and data recovery
 * On-call support for outages as needed


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