Information Security Systems Officer - Contingent Upon Award

WHO ARE WE?

TSTC is an award‑winning, Woman Owned, HUBZone certified Small Business providing services to federal intelligence, law enforcement, civilian and defense agencies. Built upon our Total Service – Total Commitment® cornerstone, TSTC takes pride in delivering excellence to employees, teams, and clients.

TSTC is seeking a contingent hire for a full‑time Information Systems Security Officer to support a new contract  anticipated award for this contract is March 2026.

The ISSO will be responsible for creating, revising, documenting, and maintaining the overall security‑related policies, procedures, laws, and regulations with the team; as well as creating, documenting, and implementing various security plans and compliance documents to enforce Information Assurance principles. The ISSO will assist with assessment, development, and implementation of programs and controls set in place to preserve the integrity and security of sensitive data and information stored and processed by various network systems.

The ISSO will review client/department information security systems and recommend improvements/solutions.

• Minimum of 5+ years of experience as an ISSO supporting major federal information systems/applications.
• Bachelor’s degree required, Master’s degree preferred.
• Must have a current DoD IAM II certification upon hire.
• At least 5 years of experience in one of the following areas: current security tools, hardware/software security implementation, communication protocols or encryption techniques/tools.
• Knowledge with auditing security controls and financial processes.
• Superior writing, communication, and critical analysis skills.
• Understanding of Information Assurance, Information Technology and Information Management concepts, processes, and procedures.
• Skilled in MS office suite.
• Works independently, proactively identifies, and completes tasks.
• Excellent verbal and written skills.
• Ability to work in a fast‑paced environment with multiple teams, stakeholders, and.

• Applicants selected must be a U.S. Citizen and currently hold a TS/SCI security clearance.
• This position is onsite at DHS HQ – Washington DC.

$100,000 - $140,000 a year

Salary range depends on experience and credentials.

Includes personal and team merit bonuses, with salary matching for 401(k) up to 3%.

Multiple medical, dental, and vision plans, plus HSA and FSA options. 100% TSTC‑paid life and disability insurance, including short‑ and long‑term plans.

Remote work allowed, flexible schedules, and telework opportunities. (varies per position)

Generous PTO, birthday PTO, and paid holidays.

Continuous performance evaluation process… Dedicated annual budget for educational opportunities.

Confidential employee assistance program (EAP). Wellness Resource Group and wellness programs throughout the year.

All TSTC employees operate according to the terms of the specific contract under which they work. They are responsible for fulfilling the duties of the specific job and are accountable for complying with the terms and conditions of their employment, the TSTC Code of Conduct, and with applicable federal, state and local laws.

As TSTC is an Equal Opportunity Employer, we follow current Federal Discrimination Laws and we do not discriminate against any employee or applicant for employment. TSTC does not discriminate against any employee or applicant for employment due to race, color, national origin, citizenship, religion, creed, age, sex, disability, veteran status and liability for service in the U.S. Armed Forces or any other characteristic protected by applicable law.

If you need assistance or an accommodation due to a disability, please email us at  or call us at .