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Senior Information System Security Officer (ISSO)

Washington, DC, US • Posted 2 hours ago • Updated 2 hours ago

Full Time

On-site

Fitment

Dice Job Match Score™

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Job Details

Skills

Security Clearance
Information System Security
Management
Risk Assessment
FedRAMP
Privacy
SCA
Demonstrations
Auditing
Documentation
Risk Management Framework
RMF
NIST SP 800 Series
FIPS
FISMA
CISA
OMB
SAP GRC
IT Service Management
SIEM
Cloud Security
Authorization
Workflow
Microsoft Azure
Microsoft Office
Cloud Computing
CISSP
CISM
ISACA
Security+
Cisco Certifications
Cyber Security
Information Technology

Summary

**CONTINGENT UPON CONTRACT AWARD**
Overview:

Job Title: Senior Information System Security Officer (ISSO)

Security Clearance: Ability to Obtain Tier 4 High-Risk Public Trust

Location: Washington, D.C.

(Due to the nature of the work and contract requirements, U.S. Citizenship is required.)

Description:

C3EL is seeking a Senior Information System Security Officer (ISSO) to provide on-site cybersecurity and Risk Management Framework (RMF) sustainment support in Washington, D.C., for a new contract. This role will serve as the primary Alternate Lead, with deep CSAM, RMF, authorization, FedRAMP, cloud, identity, and assessment expertise, being capable of assuming Lead ISSO duties without service degradation for the program.

Responsibilities will include, but not be limited to:

Provide on-site cybersecurity and RMF sustainment support.
Independently manage categorization, control selection, implementation evidence, assessment readiness, authorization, and monitoring.
Develop and maintain SSPs, SAPs, SARs, POA&Ms, risk assessments, control statements, inheritance records, and evidence packages.
Support FedRAMP-authorized cloud services, provider artifacts, customer responsibilities, CRMs, SRMs, and inherited controls.
Support privacy controls, PTAs, PIAs, and systems processing PII.
Pre-stage evidence and coordinate SCA interviews, walkthroughs, demonstrations, findings, and comment adjudication.
Track ATO dates, conditions, milestones, open risks, and briefing materials for AO/AODR decisions.
Produce accurate, concise, and audit-ready Government cybersecurity documentation.
Support team coverage from 7:00 a.m. to 6:00 p.m. ET (M-F) and participate in after-hours incident coverage as needed.

Minimum Qualifications:

U.S. Citizenship.
Eligibility to obtain a Tier 4 High-Risk Public Trust.
Minimum seven (7) years of cybersecurity.
Minimum five (5) years in federal RMF, A&A, ISSO, or authorization work.
Working knowledge of NIST SP 800-37, 800-53, 800-53B, FIPS 199, FISMA, and applicable CISA/OMB guidance.
Familiarity with GRC, ITSM, SIEM, scanner, identity, endpoint and cloud-security platforms.
Hands-on CSAM experience supporting system profiles, controls, evidence, POA&Ms, and authorization workflows.
Experience with Azure Government, Microsoft 365 GCCC High, and cloud shared-responsibility models.
Experience with Entra ID, Okta, privileged access, role assignments, and access recertification.

Preferred Qualifications:

At least one current cybersecurity certification such as CISSP, CGRC, CISM, CRISC, Security+, SecurityX, CCSP, or GIAC.

Education:

Associate's degree in Cybersecurity, Information Technology, or related field. (Relevant experience may be considered in lieu of formal education.)

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 90883148
Position Id: 9a964f7cb7ec85c8fd3510499f3e9f7
Posted 2 hours ago

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