Largeton Group

Information Systems Security Officer

Largeton Group

Fort Worth, TX · Contract

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Experience
Any
Salary
Openings
1
Posted
5 days ago
Work mode
In office
Eligibility
Candidates with experience supporting cybersecurity compliance, risk management, vulnerability management, and security accreditation activities in enterprise or defense settings can apply.
Resume
Required to apply

Where you'll work

Job description

Job Summary

The Information Systems Security Officer role is centered on strengthening cybersecurity compliance and operational security across enterprise and defense-focused environments. You will help manage risk, maintain documentation, support authorization efforts, and contribute to ongoing audit readiness and incident response preparation.

Key Responsibilities

  • Assist with cybersecurity compliance and security operations for enterprise and defense systems.
  • Carry out and sustain Risk Management Framework (RMF) activities.
  • Develop, update, and track System Security Plans (SSPs) as well as Plans of Action & Milestones (POA&M).
  • Support Authority to Operate (ATO) and Authority to Connect (ATC) processes.
  • Perform vulnerability assessments using platforms such as Nessus and ACAS.
  • Validate adherence to NIST 800-53 control requirements.
  • Review Security Technical Implementation Guide (STIG) findings and drive remediation efforts.
  • Help prepare for security audits and participate in incident response support.
  • Use security and compliance tools including eMASS, ACAS, Splunk, and Tenable Nessus for risk evaluation and tracking.
  • Maintain continuous audit readiness and contribute to certification and accreditation activities.

Required Certifications

Preferred or required certifications for this role include Security+, CISSP, CISM, CAP, CASP+, or CEH.

Additional Information

This position is based onsite in Fort Worth, TX and is offered on a contract basis. No stipend or salary amount was provided.

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