---
title: 'CSSO - Senior Security Manager at Two Six Technologies'
canonical: 'https://feeny.ai/job/csso-senior-security-manager-two-six-technologies-arlington-0awh1ja4rn2e'
type: 'job'
last_seen: '2026-09-15'
---

# CSSO - Senior Security Manager at Two Six Technologies

- **Company:** Two Six Technologies
- **Location:** Arlington, VA
- **Compensation:** $163k–$200k
- **Posted:** 2026-09-10
- **Last confirmed live:** 2026-09-15
- **Apply:** https://job-boards.greenhouse.io/twosixtechnologies/jobs/6187651004

## 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 looking for a Contractor Special Access Program Security Officer (CSSO) for programs executed out of our Arlington, VA office. You will work closely with security management and assigned program staff on all aspects of special security operations and program protection. The ideal candidate will have a professional demeanor, good people skills, ability to communicate effectively, and be able to perform in a multi-tasked, dynamic environment.

This position is on-site and will work from our Arlington, VA office.

What you will do:

- Interpret and enforce government and company security policies and provide direction and guidance to program personnel.
- Interface with program managers and maintain liaison with US Government Program Security Officers.
- Provide prime/subcontractor security support and direction including the development and maintenance of DD254's and security guidance.
- Develop and revise program level security plans, procedures, and instructions.
- Provide classification guidance to employees, develop and provide security education and awareness training, conduct security briefings, lead security self-inspections and audits, and investigate security incidents.
- Maintain inventory and document control.  Maintain proper marking, transmission, control, storage, distribution, and destruction of classified material.
- Support request for proposal (RFP) relative to our SAP work.
- Assist with security volumes for RFP’s.
- Conduct annual Special Access Program (SAP) self-inspections; ensure positive Government inspection outcomes.
- Develop, coordinate, and execute Security Standard Operating Procedures for the secure spaces (SAPF/SCIF).
- Prepare, review, coordinate, and assure execution of Operations Security (OPSEC) and Transportation Security Plans.
- Perform the duties of a Top Secret Control Officer (TSCO) and Communications Security (COMSEC) Material Custodian.
- Provide support in clearance processing, program access requests (PARs), visit certifications, and physical security, including alarm response for controlled areas associated with SAP/SCI.
- Support other security disciplines within the SAP/SCI program, to include: Personnel Security, Physical Security, Information Assurance (IA), Communications Security (COMSEC), Document Control and Visitor Control.
- Participate and lead build-outs and accreditations of SAPFs and SCIFs.
- Lead program protection efforts and work independently, when required, to coordinate SAP management and security requirements with customers and stakeholders.
- Mentor junior security staff in SAP/SCI security processes and procedures, as needed.

What you will need:

- Bachelor’s degree or an additional 4 years of experience in lieu of degree
- 4+ years of related security experience
- In-depth knowledge of the DoD SAP Manual and Intelligence Community Directives (ICD) and the ability to apply the knowledge of government security requirements in a complex multi-level secure environment to ensure program compliance in non-routine situations
- Experience with JADE and DISS
- COMSEC experience
- Ability to work independently to identify, assess, & resolve unique security situations with innovative solutions geared to facilitate contract performance within the bounds of security requirements
- Highly proficient written and verbal communication skills with emphasis on clear and cogent presentation of complex information
- Must be able to respond to after hour alarms on a rotational schedule
- Ability to perform in a fast pace environment

What we would like:

- Completion of CDSE SAP Orientation or SAP Mid-Level course(s)
- ICD 705 course

Clearance Requirements:

- Active Top Secret clearance

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 $163,000—$200,000 USD

Looking for other great opportunities? Check out [Two Six Technologies Opportunities](https://twosixtech.com/careers/current-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](https://twosixtech.com/careers/candidate-resources/)!  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](https://twosixtech.com/about/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](https://twosixtech.com/contact/). 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](https://twosixtech.com/wp-content/uploads/Two-Six-EEO-Policy-Statement-2026.pdf) and the [EEO Poster](https://twosixtech.com/wp-content/uploads/TST-EEO-Know-Your-Rights-2026.pdf).

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 Two Six Technologies

## Company Overview
- **One-liner**: Two Six Technologies builds, deploys, and implements innovative products to solve complex national security and humanitarian challenges, focusing on information advantage, cyber defense, and secure communications.
- **Entity Type**: Private (no public funding rounds disclosed; defense contractor, likely bootstrapped or government-funded)
- **Headquarters**: Arlington, Virginia, USA
- **Founded**: Not publicly available (company emerged from a merger of Two Six Labs and other entities around 2020, but exact year not confirmed)
- **Founders**: Not publicly available

## Core Business
- Primary industry/industries: National security, defense, cyber security, information operations, data analytics, electronic systems, communications.
- Target customers: U.S. Department of Defense, U.S. Department of Homeland Security, DARPA, U.S. Cyber Command, Department of State, and allied international partners.
- Mission or purpose statement: "Delivering technological superiority for our nation, allies, and partners through rapid, impact-focused innovation" and "achieving defense superiority by developing fast-paced, impactful technology for our nation, allies, and partners."

## Products & Services
- **Sentr**: AI-driven command center for the information environment – enables sense, plan, and coordinate effects at scale. Bridges legacy systems to agentic AI securely without rebuilds or disruption.
- **IKE**: Information Advantage Platform – provides reliable access and communication for vulnerable and hard-to-reach communities worldwide.
- **Agentic AI Orchestrator**: Orchestrates AI agents for cognitive warfare and complex decision-making.
- **Cyber**: Products to defend critical networks and protect sensitive data, including object-level encryption for cloud, on-premise, or hybrid environments.
- **Data Analytics**: Synthesized, actionable insights for informed mission decisions.
- **Electronic Systems**: Sensor technology to integrate, monitor, and advance mission objectives.
- **Secure Solutions**: Secure communications and infrastructure for government clients.

## Market Standing
- **Valuation/Market Cap**: Not publicly available (private company, no disclosed valuation).
- **Key Metric**: Not disclosed (annual revenue); total funding not publicly available. The company works under government contracts (e.g., DARPA, DHS, DoD).
- **Notable Investors/Partners**: Partners include U.S. Department of Defense, U.S. Department of Homeland Security, DARPA, U.S. Cyber Command, Department of State, and international allies. Also named a Top 10 Finalist in the NATO Innovation Challenge for Agentic AI in Cognitive Warfare.
- **Growth Signals**: Rapid headcount growth (multiple offices across the U.S. – Arlington, Laurel, Fredericksburg, Augusta, Colorado Springs, Austin, San Antonio, Herndon, Chantilly). Active hiring for engineers, scientists, developers, and project managers. Continually expanding product portfolio with AI-driven platforms.

## Competitive Advantages
- Deep integration with U.S. national security agencies (DoD, DHS, DARPA) and long-standing government trust.
- Focus on "agentic AI" and information warfare – a high-demand, niche area.
- Ability to bridge legacy systems with modern AI without requiring rebuilds, reducing disruption for government clients.
- Object-level encryption and secure solutions for sensitive data at scale.
- Small-company culture despite rapid growth, fostering agility and innovation.

## Strategic Focus
- Current priorities: Expanding AI-driven information operations (Sentr, Agentic AI Orchestrator) and secure communications (IKE) for defense and humanitarian missions.
- Growth direction: Deepening partnerships with U.S. and allied governments, entering new global markets, and scaling agentic AI capabilities for cognitive warfare.
- Developing technologies for vulnerable and hard-to-reach communities, balancing defense and humanitarian impact.

## Why Work Here
- Culture highlights: "Small-company atmosphere" with genuine concern for people; "culture is everything" – emphasis on creativity, curiosity, and innovation. Regular team-building events, annual "Two Six Day of Service" volunteering.
- Remote/hybrid/office policy: Positions available in multiple offices; some roles listed as Remote. Many roles require on-site presence (likely due to security clearance requirements).
- Notable perks: Comprehensive benefits including 401K with employer match and immediate vesting, discretionary profit share, tuition reimbursement, employer-sponsored training & certification, comprehensive health/dental/vision insurance, HSA with employer contribution, life & disability plans, paid parental leave, military leave, community service hours, bonus incentives and awards.
- Engineering culture: Collaboration with top scientists, developers, and engineers on projects of national importance. Opportunities for growth through conferences, open discussions, and social events.
- Internship program: Structured internships for students, preparing them for success.

## Sources
1. [twosixtech.com](https://twosixtech.com/) – Main website, product overview
2. [twosixtech.com/about](https://twosixtech.com/about/) – About page, location, mission
3. [twosixtech.com/careers/life-at-two-six](https://twosixtech.com/careers/life-at-two-six/) – Culture, values, internship program
4. [twosixtech.com/careers](https://twosixtech.com/careers/) – Benefits, career philosophy, candidate resources
5. [twosixtech.com/careers/current-opportunities](https://twosixtech.com/careers/current-opportunities/) – Current openings, clearance levels, remote/hybrid info

## Other roles at Two Six Technologies

- [Project Manager](https://feeny.ai/job/project-manager-two-six-technologies-herndon-bpz9beymm5t9) — Herndon, VA
- [Lead Front End Engineer](https://feeny.ai/job/lead-front-end-engineer-two-six-technologies-austin-jzcyppb8q5zz) — Austin, TX
- [Lead Front End Engineer](https://feeny.ai/job/lead-front-end-engineer-two-six-technologies-arlington-x6kfdraf1k7m) — Arlington, VA
- [Cyber Operations Planner](https://feeny.ai/job/cyber-operations-planner-two-six-technologies-fort-meade-b8gktgtb2qke) — Fort Meade, MD
- [Senior Software Engineer](https://feeny.ai/job/senior-software-engineer-two-six-technologies-arlington-cjx2dnbsfske) — Arlington, VA
- [Systems Engineer](https://feeny.ai/job/systems-engineer-two-six-technologies-aurora-ecppggw1c2ja) — Aurora, CO / Herndon, VA
- [Systems Architect](https://feeny.ai/job/systems-architect-two-six-technologies-aurora-ekywm7dm8k6w) — Aurora, CO / Herndon, VA
- [Program Manager](https://feeny.ai/job/program-manager-two-six-technologies-aurora-mzggwedzxvck) — Aurora, CO / Herndon, VA
- [Product Manager](https://feeny.ai/job/product-manager-two-six-technologies-aurora-qkjgb1f88gt7) — Aurora, CO / Herndon, VA
- [Technical Product Engineering Lead](https://feeny.ai/job/technical-product-engineering-lead-two-six-technologies-arlington-xrh0a85cgpkg) — Arlington, VA