Senior System Engineer
- Pay
- $140,000 – $208,000 per year
- Location
- Herndon, VA · On-site
- Job type
- Full-time
- Level
- Lead / Staff
- Experience
- 5+ years
- Education
- Bachelor's degree
- Listed
- 13 days ago
Skills & highlights for this role
- 5+ years supporting an IC community classified network (e.g., JWICS) as a System Engineer, Network Engineer, or Network Administrator
- Solid experience supporting Windows servers and workstations
- Working knowledge of Linux environments
- Solid experience with routers, switches, and firewalls
- Experience building a firewall
- Experience setting up network attached storage (NAS)
- Working knowledge of ServiceNow and Talon
- Working knowledge of DAAPM, NIST SP 800-53, NIST SP 800-171
- Basic understanding of security compliance matrices
- DoD 8140 certification (e.g., Security+, GCIH/GCISP, GSEC, SSCP, CASP+, CISM, CISSP, CCNA)
- Active TS/SCI with polygraph clearance
Also useful
- Experience building a classified network
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
What You Will Need
- 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 and workstations
- Working knowledge of the Linux environment
- Solid experience working with routers, switches and firewalls
- Experience building a firewall
- Experience setting up network access storage (NAS)
- Working knowledge of tools such as ServiceNow and Talon
- 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
Security Clearance needed: Active TS/SCI w/Poly
Two Six Technologies is committed to providing competitive and comprehensive compensation packages that reflect the value we place on our employees and their contributions. We believe in rewarding skills, experience, and performance. Our offerings include but are not limited to, medical, dental, and vision insurance, life and disability insurance, retirement benefits, paid leave, tuition assistance and professional development.
Pay and benefits
The projected salary range listed for this position is annualized. This is a general guideline and not a guarantee of salary. Salary is one component of our total compensation package and the specific salary offered is determined by various factors, including, but not limited to education, experience, knowledge, skills, geographic location, as well as contract specific affordability and organizational requirements.
Salary Range $140,000 - $208,000 USD
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About Two Six Technologies
At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what's possible to empower our team and support our customers in building a safer global future.
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.
Equal opportunity and legal notices
Two Six Technologies is an Equal Opportunity Employer and does not discriminate in employment opportunities or practices based on race (including traits historically associated with race, such as hair texture, hair type and protective hair styles (e.g., braids, twists, locs and twists)), color, religion, national origin, sex (including pregnancy, childbirth or related medical conditions and lactation), sexual orientation, gender identity or expression, age (40 and over), marital status, disability, genetic information, and protected veteran status or any other characteristic protected by applicable federal, state, or local law.
For more information review the Two Six Technologies Equal Employment Opportunity and Affirmative Action Policy and the EEO Poster.
If you are an individual with a disability and would like to request reasonable workplace accommodation for any part of our employment process, please send an email to. Information provided will be kept confidential and used only to the extent required to provide needed reasonable accommodations.
Additionally, please be advised that this business uses E-Verify in its hiring practices.
From Two Six Technologies's careers page, first listed on Rolev.ai on October 27, 2026. Rolev.ai is not the employer.
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Common questions
What is the salary for the Senior System Engineer role at Two Six Technologies?
The Senior System Engineer posting at Two Six Technologies states compensation of $140,000 – $208,000 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Two Six Technologies's official career site.
Where is the Senior System Engineer job at Two Six Technologies located?
This Senior System Engineer position at Two Six Technologies is located in Herndon, VA (On-site). Always check Two Six Technologies's application page for specific state eligibility or relocation policies.
What qualifications are required for Senior System Engineer at Two Six Technologies?
For the Senior System Engineer role, Two Six Technologies highlights 5+ years of relevant experience; a bachelor's degree; experience with 5+ years supporting an IC community classified network (e.g., JWICS) as a System Engineer, Network Engineer, or Network Administrator, Solid experience supporting Windows servers and workstations, Working knowledge of Linux environments, Solid experience with routers, switches, and firewalls, Experience building a firewall, Experience setting up network attached storage (NAS). Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Senior System Engineer position at Two Six Technologies?
This listing links directly to Two Six Technologies's Greenhouse application page. You can apply directly on Two Six Technologies's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.