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 our commitment to delivering excellence. Total Service - Total Commitment® is our commitment to our employees, to our teams, and to our clients.

WHO ARE WE? Total Systems Technologies Corporation (TSTC) is an award-winning provider of full lifecycle program, investment, and security management consulting services that enable United States civilian, defense, intelligence, and law enforcement communities to streamline, effectively manage, and defend their programs and operations.

What We're Looking For:

TSTC is seeking a contingent hire for a full-time Information Systems Security Officer to support a new contract at USCG. Contingent Upon Award. The 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 with the team. 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.

Basic Qualifications

Minimum of 5+ years of experience as an ISSO supporting major federal information systems/applications.

Bachelor’s degree required

DoD IAT II certification Required - (Sec+CE, CySA, SSCP, GSEC, etc)

DoD IAM II certification strongly preferred (CISSP, CISA, etc)

Must be proficient in Microsoft Project for planning, tracking, and reporting security tasks and remediation activities.

Experience working cross-functionally with Project Managers and Product Owners to deconflict, scope, plan, and execute continuous monitoring and security efforts.

At least 3 years of experience performing vulnerability assessments, including use of ACAS scans to evaluate compliance with STIGs and identify system vulnerabilities.

Proven ability to effectively communicate and drive security plan changes and improvements to maintain NIST compliance.

Strong analytical skills with the ability to identify patterns, assess risks, and prioritize security tasks.

Excellent communication skills, including the ability to convey deadlines, risks, and remediation strategies to both technical and non-technical stakeholders.

Knowledge with auditing security controls

Superior writing, communication, and critical analysis skills.

Skilled in MS office suite

Works independently, proactively identifies, and completes task.

Ability to work in a fast-paced environment with multiple teams and stakeholders.

Security Clearance & Where You'll Work

Applicants selected must be a U.S. Citizen and currently hold a TS/SCI security clearance.

This position is onsite in Suitland Maryland

Information Security Systems Officer

About this role

Basic Qualifications

Security Clearance & Where You'll Work

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