Information Systems Security Officer
Two Six Technologies
Arlington, VA · $110k–$160k a year · Posted November 3, 2026
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Where Arlington, VA ranks
Where Arlington, VA placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Best cities for education pay after cost of living$124k · of 8
- #2Best all-round cities for AI careers in the Southeast89 / 100 · of 33
- #3Best cities for government pay after cost of living$140k · of 18
- #3Best cities for software and engineering jobs in the Mid-Atlantic456 openings · of 68
- #4Best cities for aerospace and defense pay after cost of living$152k · of 19
- #4Best cities for AI-skill jobs in the Southeast14% · of 87
Rankings about security jobs
- Best cities for security jobs #1 San Francisco (316 openings)
- Best cities for security pay after cost of living #1 San Mateo ($241k)
- Most requested AI skills in security jobs #1 AI tools in daily work (10.8%)
- Employers with the most security jobs #1 Amazon (318 roles)
How AI is used in this kind of work
Among information security analysts, AI is already used for a large share of the tasks. Measured exposure for information security analysts: 49% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
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 seeking an Information System Security Officer (ISSO) to join our Corporate Information Security team . You will be responsible for assisting the Information System Security Manager (ISSM) in ensuring compliance for assigned classified programs.
The ideal candidate is eager to learn and adapt to new challenges in a fast-paced and growing environment, and works well within a team environment while also accomplishing tasks independently. This position requires attention to detail, strong analytical and critical problem-solving abilities for technical and non-technical problems, and excellent written and oral communication skills.
The environments you will work in include: Windows 11, Group Policy, Ubuntu Linux, networked and standalone systems, GFE networks, Google Workspace, Jira, Kanban
This is an on-site position working from our Arlington, VA office daily with occasional travel to Herndon.
What you will do:
Work with the Corporate Information Security team to ensure all classified information systems remain in or achieve compliance
Assist in the organization and tracking of Information Security’s various projects and keep efforts and communication aligned to meet goals and deadlines
Work closely with ISSM and Project Managers to scope program requirements, propose pathways, and construct ATO packages
Complete STIG checklists and track POA&Ms
Use ATO lifecycle products (e.g. eMASS, Xacta, and others) for drafting and submitting RMF packages
Review security logs, networks, data transfers, and systems for anomalous user activity.
Assist in the remediation of Security incidents.
Perform weekly, bi-weekly, and monthly audits for all assigned accredited systems.
Conduct Continuous Monitoring activities per customer requirements.
Play a vital role in the RMF process serving as an advisor to the ISSM.
Perform annual self-inspections and self-assessments of TST’s security program.
Track changes to information systems as part of Change Management and attend Change Management Meetings.
Assist ISSM in managing TST’s Insider Threat Program.
Work actively and proactively towards maintaining TST’s security posture using technical, administrative, and procedural solutions.
What You Will Need:
Bachelor's degree in a related field or additional experience and professional certifications
3+ years of experience working within classified (Collateral, SCIF, SAP-F) environments as an ISSO, Network Engineer, Cybersecurity Analyst, SOC Analyst or related role
Understanding of the RMF Steps 1-7
Active DoD 8140 info security certifications such as: Security+, GCISP, GSEC, SSCP, CASP+, CISM, CISSP or ability to obtain within 6 months of employment
Ability to work independently to identify, assess & resolve unique security problems
Ability to work onsite daily at the Arlington headquarters with occasional travel to local sites
What we would like:
Experience with successful DCSA onsite compliance inspections with a variety of government customers
Working knowledge of Jira or similar ticket management systems
Experience writing customer reports, SOPs, Information Security bulletins
Experience with Incident Response
Experience with Windows and Linux automation scripting
Security Clearance:
Active Top Secret with SCI eligibility and willingness to obtain poly if required
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 $110,000 — $160,000 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.