Senior Systems Engineer

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Herndon, VirginiaPosted Today

Role Overview

Twosixtechnologies is hiring a Senior Systems Engineer. This is a full-time role in Herndon, Virginia. Part of Twosixtechnologies's Security hiring, posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

Salary is not disclosed in this posting. Market median for Senior-level Security roles is $150k-$178k (based on 16 comparable listings). Many employers share specifics during the interview process or after an initial screen.

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Job description

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.

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 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

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.

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

$150,000—$200,000 USD

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

Ready to make the first move towards growing your career? If so, check out the Two Six Technologies Candidate Journey! This will give you step-by-step directions on applying, what to expect during the application process, information about our rich benefits and perks along with our most frequently asked questions. If you are undecided and would like to learn more about us and how we are contributing to essential missions, check out our Two Six Technologies News page! We share information about the tech world around us and how we are making an impact! Still have questions, no worries! You can reach us at Contact Two Six Technologies. We are happy to connect and cover the information needed to assist you in reaching your next career milestone.

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 accommodations@twosixtech.com. 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.

By submitting the following application, I hereby certify that to the best of my knowledge, the information provided is true and accurate.

About Twosixtechnologies

Twosixtechnologies

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Frequently Asked Questions

How do I apply for the Senior Systems Engineer position at Twosixtechnologies?

Use the Apply button above to submit your application directly to Twosixtechnologies. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Senior Systems Engineer position at Twosixtechnologies located?

This position is based in Herndon, Virginia. Twosixtechnologies has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Senior Systems Engineer at Twosixtechnologies earn?

Twosixtechnologies has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Senior Systems Engineer role at Twosixtechnologies posted?

This role was posted on July 9, 2026 (today). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

How much experience does the Senior Systems Engineer role at Twosixtechnologies require?

This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. Twosixtechnologies lists their specific requirements in the description below, so review the must-have qualifications closely before applying.

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