Arlington, United States
Information Systems Security Officer - ISSO
Credence · Arlington · United States
Posted: 8/4/2026 · Last checked: 10/12/2026
Job description
Quoted in full from Credence's job posting. Gavroche does not edit it.
Overview
Join a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. With more than 1,700+ team members, 1,500+ AI & data experts, and 100+ prime contracts, we deliver at scale and with purpose.
We’ve been recognized as a Top Workplace by The Washington Post for six consecutive years and named to the Inc. 5000 list of Fastest-Growing Private Companies in 13 of the past 14 years. Credence is a welcoming environment for those looking to grow and make a meaningful impact. We encourage employees to push boundaries and help solve critical, world-changing federal challenges.
Credence has an immediate need for an Information System Security Officer (ISSO) to provide IT professional support for Information System Security Officer (ISSO) and Security Control Assessment (SCA) activities, working with United States Marshals Service (USMS) system owners and other operations and maintenance (O&M) staff to ensure compliance with DOJ security requirements and standards for the USMS P30 system.
Responsibilities include, but are not limited to ...
The ISSO support will include developing and maintaining an IT System Security Compliance Schedule covering 12-month intervals that capture POA&M Action Items, required ITSS reports/updates, Change Control Board Meetings, Scheduled Vulnerability Scans, and Updates to System IT Security Documentation. Support includes the following:
- Advise the systems owner on the security posture of their systems.
- Perform assessment and authorization (A&A) activities on classified and unclassified networks in accordance with the DOJ/NIST Risk Management Framework (RMF).
- Develop and update artifacts for all control families (Security Categorization, SSP, Contingency Planning, Incident Response, Configuration Management, etc.).
- Perform compliance assessment reviews, tracking, and continuous monitoring of multiple networks, systems, and applications.
- Advise stakeholders throughout the entire lifecycle of the A&A process to include the development of Systems Security Plans (SSP).
- Perform System Categorization in accordance with FIPS-199 and CNSS 1253.
- Perform security control assessments in accordance with NIST 800-53A.
- Develop/edit/review Security Assessment Plans using CSAM.
- Perform risk analysis and prepare reports on networks, facilities and systems.
- Review, create and validate Security Assessment Reports.
- Develop and maintain the Plan of Action and Milestones (POA&M) statements, and support remediation activities through their lifecycle.
- Support Incident Response and Contingency activities.
- Perform security impact analysis on all configuration change requests.
- Review information in support of DOJ OCIO review for FISMA inventory
Requirements
- Secret clearance is required
- Bachelor’s Degree (or significant equivalent experience)
- Minimum 8 years of experience
- Must possess certification(s) in CISSP, CISA, or CISM
- Must be able to function resourcefully and independently and work with a diverse team of IA/cybersecurity practitioners
- Strong written and verbal communication skills required
- Experience working within DOJ Offices, Boards, and Divisions (OBDs), with an understanding of unique organizational security policies and security controls implementations within specific IT environments is desired.
Salary Range: $120,000.00 to $170,000.00 annually. Actual compensation will be determined based on the selected candidate's experience, education, skills, and overall qualifications.
Similar roles in Arlington
- Information Security Analyst · Avalore, LLC, Arlington
- Cybersecurity Architect · Avalore, LLC, Arlington
- Data Security Engineer · Avalore, LLC, Arlington
- Cybersecurity Incident Response Triage Analyst · Accenture Federal Services, Arlington
- Information Systems Security Engineer - ISSE · Accenture Federal Services, Arlington
- Senior Cybersecurity Engineer - Cloud Automation & Security Controls · Dark Wolf Solutions, Arlington
200 open roles like this one; at most three per employer shown.
What security engineer adverts in the United States state
Middle half: 142,375 – 202,750 USD a year; median 170,000 USD.
From 294 adverts by 134 employers that state a salary, annualised.
How security engineer roles in the United States are worked
1% fully remote · 1% hybrid · 98% do not say
Of 92 adverts. An advert that does not state a work mode is counted as not saying, not as on-site.
New openings in Arlington, by week
- 7/20/2026 18
- 7/27/2026 21
- 8/3/2026 7
- 8/10/2026 12
- 8/17/2026 14
- 8/24/2026 19
- 8/31/2026 68
- 9/7/2026 25
- 9/14/2026 46
- 9/21/2026 33
- 9/28/2026 39
- 10/5/2026 42
344 openings over 12 weeks, by the week they were published.
Other roles at Credence
- Installations/Infrastructure Manager - S4 · Vandenberg Space Force Base
- Network and Computer Systems Administrator · Eglin Air Force Base
- IT System Administrator - Journeyman · Hampton
- Cybersecurity Professional CROWS 7.49
- Avionics Radar & Electronic Warfare Systems Engineering F-16 - 13 · Hill Air Force Base
- Contracting Specialist · Aberdeen Proving Ground
108 open.