SECTION I · THE BRIEF
Brief #85122Updated 03 NOV 2026ARLINGTON, VIRGINIAGreenhouseSOFTWARE COMPANIES
Employbl Company Profile

Information Systems Security Officer

Two Six Technologies provides cybersecurity and technology solutions for national security customers. The company delivers R&D, innovation, productization, and implementation expertise in cyber, data science, mobile,…

Location
Arlington, Virginia
Company size
200–1,000
Posted
Today
Via
Greenhouse
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Information Systems Security Officer

Two Six Technologies· Arlington, VirginiaView company profile


Job title
Information Systems Security Officer
Job location
Arlington, Virginia
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 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
View job listing ↗
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Two Six Technologies headquarters

Arlington, VA

Company size

200–1,000 employees

Founded

2021

Total raised

$54,561,935

View company profile ↗

Work at Two Six Technologies? Claim its Employbl profile

Funding rounds

  • Series Unknown$10M
  • Series Unknown$2.2M
  • Series Unknown$8.7M
  • Series Unknown$10M
  • Series Unknown$4.8M
  • Series Unknown$18.9M