Senior Information System Security Officer (TS)

Job#: 3041518

Job Description:

(95% Remote / DMV Area) - Senior ISSO / Cybersecurity Analyst -

$75.00 - $81.00 / Hourly Rate

Apex Systems has an Immediate Need for a (95% Remote) Senior ISSO / Cybersecurity Analyst that lives in the Area of Washington DC / Maryland / Northern VA !! This will be an "est. 6 Month Contract to Permanent Hire" opportunity, supporting one of our Largest DoD / Government Clients across the East Coast! Please See Below for all Position Details & How To Apply.

• HOW TO APPLY * Send a Resume to: [email protected]
• Job Title: Senior ISSO / Cybersecurity Analyst
• Location: 95% Remote / DMV Area
• Contract Layout: "est. 6 Month Contract to Permanent Hire"
• Contract Pay Rate: $75.00 - $81.00 / Hourly on W-2
• Starting Salary at Permanent Conversion: $158,000 & Full Benefits
• REQUIREMENTS *
• Top Secret Clearance (Eligible)
• Security+CE
• 10+ Years of Overall/Combined Experience in Cyber/IT Security/ISSO/ISSE/ISSM or Similar
• Experience executing the RMF lifecycle and ATO activities
• Experience conducting security control assessments, vulnerability assessments, and Security Impact Analyses
• Experience developing security documentation including SSPs, POA&Ms, and Contingency Plans

Job Description

• The ISSO will execute Risk Management Framework activities for ATO decisions and ensure systems meet compliance requirements while ensuring confidentiality, integrity, and availability of Information Systems through proper security control implementation.
• This position requires implementing security controls and conducting system assessments to identify vulnerabilities and gaps, as well as developing and maintaining System Security Plans, Configuration Management Plans, and Contingency Plans.
• ISSO will conduct Security Impact Analyses and test configuration changes pre- and post-deployment, support continuous monitoring of IT systems, and develop and track POA&Ms for identified vulnerabilities.
• Responsibilities include developing security requirement traceability matrices and managing hardware and software inventory lists, supporting cloud security initiatives, and participating in Change Advisory Board (CAB) reviews.
• The position involves conducting technical vulnerability assessments, providing audit support documentation, and responding to cybersecurity data calls with timely information to leadership.
• Critical deliverables include preparing Security Test Plans 90 days prior to testing and Security Test Reports within 15 days after testing, generating POA&Ms within 0 to 15 days after vulnerability identification, and updating System Security Plans, Configuration Management Plans, and Contingency Plans annually or when changes occur.
• The ISSO will conduct Security Impact Analysis Reports within 5 business days after change notification, analyze Risk Assessment Reports and FISMA Scorecard Analysis on a daily basis, and produce Weekly Activity Reports and Monthly Program Reports.
• This position requires following the Information Systems Security Officer (ISSO) Guide when developing, updating, or reviewing required security artifacts and tracking and suggesting technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.

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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at https://www.apexsystems.com/privacy-policy

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex Systems.

Employee Type:

Contract

Location:

Oxon Hill, MD, US

Job Type:

Date Posted:

July 13, 2026

Pay Range:

$75 - $75 per hour

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