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Jobs · Information Technology · Maryland

Senior Information System Security Officer (TS SCI)

Apex Systems · Oxon Hill, MD · 2 days ago
Information TechnologyContract

Role Overview

We are seeking a Senior Information System Security Officer to support a federal government client. This role involves leading efforts to remediate and stabilize a security environment that has been neglected. The primary goals are to clean up existing security and compliance issues and increase automation.

Key Responsibilities

  • Lead the Risk Management Framework (RMF) lifecycle and the development of Authority to Operate (ATO) packages from start to finish.
  • Manage and oversee Plans of Action and Milestones (POA&M), vulnerability remediation, and continuous monitoring activities.
  • Provide hands-on support for incident response, threat assessments, and investigations.
  • Develop and maintain System Security Plans (SSPs), Configuration Management Plans, Contingency Plans, and Incident Response Plans.
  • Conduct risk assessments, annual security assessments, and vulnerability assessments.
  • Lead security audits, accreditation efforts, and compliance reviews to ensure adherence to federal standards.
  • Support the integration of security throughout the System Development Life Cycle (SELC) by working with development teams.
  • Perform security architecture reviews and contribute to the design of secure solutions.
  • Brief leadership on security posture and mentor junior ISSO staff.

Required Qualifications

  • Education and Experience: Bachelor's degree with 10 years of experience, OR Associate's degree with 13 years of experience, OR 16 years of experience with no degree.
  • Technical Skills and Certifications: Must hold one of the following: Certified Information System Security Professional (CISSP), Certified Information Security Manager (CISM), or CompTIA Advanced Security Practitioner (CASP+).
  • Deep expertise in FISMA, NIST, and DHS 4300A compliance frameworks.
  • Experience with GRC tools such as Xacta IA Manager and/or CSAM.
  • U.S. Citizenship is required for this position.
  • Experience supporting federal systems in a hands-on and leadership capacity.

Preferred Qualifications

  • Previous DHS or DoD experience.
  • Experience with Supply Chain Risk Management.
  • Experience with GRC tools such as RegScale or eMASS.
  • Knowledge of Intelligence Community directives.
  • Experience supporting emergency operations or disaster response missions.
  • Strong communication skills for presenting to senior leadership.

Benefits

  • Medical, dental, vision, life, disability, and other insurance plans.
  • ESPP (employee stock purchase program).
  • 401K program with company match.
  • HSA (Health Savings Account on the HDHP plan).
  • SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions.
  • Corporate discount savings program and other discounts.
  • On-demand training program, certification prep, and access to technical and leadership courses/books/seminars.
  • Certification discounts and other perks to associations like CompTIA and IIBA.
  • Dedicated customer service team for questions about benefits and other resources.
  • Certified Career Coach.

About Everforth Apex

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.

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