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Added 5 hours ago
ServiceNow System Administrator- TS/SCI w/poly
GD Information Technology, Inc.
United States
Advance how our customers operate while you advance your career. Join GDIT as a ServiceNow Systems Administrator and build an impactful career in enterprise IT, collaborating with people…
Added 5 hours ago
ServiceNow Developer- TS/SCI w/poly
GD Information Technology, Inc.
United States
Advance how our customers operate while you advance your career. Join GDIT as a ServiceNow Developer and build an impactful career in enterprise IT, collaborating with people who are driven…
Added 5 hours ago
Product Manager- TS/SCI w/poly
GD Information Technology, Inc.
United States
● In coordination with the Release Train Engineer(s), use ServiceNow SPM to manage personnel and resources across ARTs and coordinates resolution of any schedule/resource allocation…
Added 5 hours ago
Tableau SME- TS/SCI w/poly
GD Information Technology, Inc.
United States
● Implement integration patterns using native tool integration (e.g., ServiceNow Integration Hub, Splunk platform APIs) and data transfer methods (e.g., Cross-Domain transfer processes) to…
Added 5 hours ago
ISSE/Cybersecurity Engineer- TS/SCI w/poly
GD Information Technology, Inc.
United States
● Coordinate with ServiceNow SysAdmins coordinate to maintain software in accordance with security mandates, including testing and deployment of Information Assurance Vulnerability Alert…
Added 17 hours ago
Information Systems Security Officer| ISSO2| TS/SCI w/ MD POLY Security Clearance required
Power3 Solutions
Hanover, MD
Security Clearance Required: TS/SCI with MD polygraph
Added 2 days ago
Audio Visual Systems Engineer
ManTech
Annapolis Junction, MD
Experience with customer ticketing systems such as ServiceNow
Added 3 days ago
Senior Information Systems Security Officer - ISSO
Two Six Technologies
Herndon, VA · 13865 Sunrise Valley Dr Herndon, VA
Working knowledge of tools such as Splunk, SNOW (ServiceNOW), and Talon
Added 8 days ago
SENIOR SYSTEMS ENGINEER - PLATFORM/INFRASTRUCTURE (CI POLYGRAPH)
NorthHill Technology
Sterling, VA
Possess a minimum of Active TS/SCI w/ CI Poly (FS Poly works too)
Added 8 days ago
Computer Systems Engineer/Architect - TS/SCI w/Poly
Parsons Technical Services, Inc.
MD
An active Top Secret SCI w/Polygraph security clearance is required for this position.
Added 9 days ago
Senior System Engineer
Two Six Technologies
Herndon, VA · 13865 Sunrise Valley Dr Herndon, VA
Working knowledge of tools such as ServiceNow and Talon
Added 10 days ago
Software Engineer II
BTS Software Solutions
Annapolis Junction, MD
BTS Software Solutions is seeking a Software Engineer II with an active TS/SCI w/ POLY to join our team in Ft. Meade, MD
Added 12 days ago
Remote Support Technician (2026-0171)
Acclaim Technical Services
Tyson's, VA
We are actively recruiting for a Remote Support Technician with a current TS/SCI w/ Poly to support our Network Solutions Division, based in Northern Virgina.
Added 13 days ago
ServiceNow Software Development Engineer - TSSCI w/ Poly
Insight Global
Chantilly, VA
ServiceNow Certified System Administrator and Certified Application Developer
Added 13 days ago
IG
Shift Supervisor - Night Shift - TSSCI w/ Poly
Insight Global
Chantilly, VA
- From $75 USD / hour
An Active TS/SCI Clearance with Polygraph • Minimum 5 years of recent and relevant experience successfully coordinating/directing IT operations, performing under documented 24x7x365…
Added 14 days ago
Software Developer - TS/SCI w/Poly
GD Information Technology, Inc.
United States
· 1 year of ServiceNow or similar related experience in addition to the other typical experience requirements that come with SW Developer
Added 14 days ago
Information Systems Manager - TS/SCI w/Poly
GD Information Technology, Inc.
United States
Approve ServiceNow requests and tickets associated with Tier 2 support personnel and operational workflows.
Added 15 days ago
TS/SCI w/ Poly ServiceNow Architect
Insight Global
Chantilly, VA
…system that will modernize government business processes? As a ServiceNow Architect, you will solve problems with a complete end-to-end solution in a fast-paced, Agile environment. We’re…
Added 16 days ago
MG
Senior Systems Engineer (Citrix) - TS/SCI w CI Poly
Modern Government Solutions
Sterling, VA
- $160,000 to $200,000 USD / year
CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph
Added 16 days ago
MG
Senior Systems Engineer - TS/SCI w CI Poly
Modern Government Solutions
Sterling, VA
- $160,000 to $200,000 USD / year
CLEARANCE REQUIRED: Active TS/SCI with CI Poly
Added 16 days ago
MG
Senior DevSecOps Engineer - TS/SCI w CI Poly
Modern Government Solutions
Sterling, VA
- Up to $200,000 USD / year
CLEARANCE REQUIRED: Active TS/SCI with CI Polygraph
Added 16 days ago
MG
Principal Systems Engineer - TS/SCI w CI Poly
Modern Government Solutions
Sterling, VA
- $160,000 to $200,000 USD / year
CLEARANCE REQUIRED: Active TS/SCI with CI Poly
Added 17 days ago
Senior Systems Engineer - Modeling (TS/SCI w/CI Poly clearance Required)
A&M Technologies, Inc.
Sterling, VA
We are actively seeking Senior Systems Engineer candidates with a minimum of 10 years' relevant experience. Must have an TS/SCI with Poly clearance to be considered.
Added 18 days ago
Edge Information Systems Security Engineer (ISSE)
Huntington Ingalls Industries
Springfield, VA
…the sensitivity of the operational environment, an active TS/SCI security clearance will be required. Candidate must be willing to obtain and maintain a CI…
Added 18 days ago
Systems Integration Engineer
Huntington Ingalls Industries
Springfield, VA
Contribute to governance automation pilots (e.g., ServiceNow)

Two Six Technologies

Senior System Engineer

Herndon, VA, United States
13865 Sunrise Valley Dr Herndon, VA, United States

$140,000 - $208,000 USD

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Job details

Pay: $140,000 - $208,000 USD
Experience: 5+ years of experience supporting a IC community classified network (like JWICS) as a System Engineer, Network Engineer or Network Administrator
Posting language: English
Posted: Oct 27, 2026

Original 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 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.

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

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.

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More about this job

Skills

Attention to detail
Problem solving
Communication skills
Microsoft Windows
Microsoft Active Directory
Red Hat Enterprise Linux
VMware
Linux
Regulatory compliance
Troubleshooting
Cybersecurity
Computer science
Security+
CISM
CISSP
CCNA
NAS
ServiceNow

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