Senior Information System Security Officer – ISSO

Alpha Omega

Senior Information System Security Officer supporting government clients on cybersecurity portfolios. Developing compliance strategies and ensuring security standards are met across various applications.

Posted 7/21/2026full-timeRemote • Virginia • 🇺🇸 United StatesSenior💰 $119,000 - $170,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in cybersecurity compliance, particularly with FDIC and NIST frameworks, while effectively managing documentation and collaboration with government clients. Proficient in vulnerability remediation practices and maintaining system Authorization to Operate (ATO) status.

Highest-signal resume keywords

NIST Risk Management Framework (RMF)Vulnerability RemediationAuthorization to Operate (ATO)Cybersecurity ComplianceCertified Information Systems Security Professional (CISSP)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security Impact Analysis (SIA)Plan of Action and Milestones (POA&M)Security and Privacy Control Assessments (SCA)Scanning ToolsIA Controls

Soft Skills

Customer ResponsivenessCollaborationTraining Facilitation

Certifications & Qualifications

Certified Information Systems Security Professional (CISSP)CompTIA Advanced Security Practitioner (CASP)Certified Information Systems Auditor (CISA)Certified Ethical Hacker (CEH)Certified Information Security Manager (CISM)

Industry Keywords

Cybersecurity PoliciesGovernment SettingContinuous MonitoringRisk ReductionInformation Sharing

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Support all portfolio level documentation for 30+ applications
Coordinate and collaborate with government client
Assist teams in best practices around vulnerability remediation
Understand the full RMF process from start to finish
Comfortable working with different IA controls
Experience using scanning tools and supporting ATO packages
Provide subject matter expertise to ensure compliance with FDIC and NIST cybersecurity policies and frameworks
Support the implementation and sustainment of security controls in alignment with the NIST Risk Management Framework (RMF)
Responsibility for and to assist system owners in maintaining system Authorization to Operate (ATO) status
Create and maintain documents like Security Impact Analysis (SIAs), POA&Ms, Security and Privacy Control Assessments (SCAs), and other continuous monitoring reports/artifacts
Develop best practices around common vulnerability remediation, prioritization of findings and criticality, mitigation strategies, and counter measures
Hold training sessions and office hours to support project teams and promote collaboration across work streams
Assist in identification of false positives due to unused libraries or other findings
Hold monthly sessions with government clients to review documentation updates, in addition to regularly scheduled meetings required for workstream support
Strengthen collaboration and information sharing across agency and external partners to support cybersecurity risk reduction and resilience.

Requirements

What you’ll need

Minimum Years of Overall Experience: 10
Highly responsive to customer needs
Knowledge of security controls, ideally in government setting
Education : Bachelor’s Degree or equivalent.
Desired Certification(s): Certified Information Systems Security Professional (CISSP) CompTIA Advanced Security Practitioner (CASP) Certified Information Systems Auditor (CISA) Certified Ethical Hacker (CEH) Certified Information Security Manager (CISM)

Benefits

Comp & perks

15 days PTO including paid parental, military, and bereavement leave.
Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)
Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
Life Insurance, STD/LTD term disability coverage, with employer paid premiums
401 (k) plan with a match that is 100% vested after you complete two years of service
FSA/DFSA/HSA flexible benefit plans
Annual Tuition & Professional Development Reimbursement benefit.