Senior ISSO Cybersecurity Engineer

Booz Allen Hamilton

. Own and sustain RMF governance activities for DoD information systems .

Posted 9/15/2026full-timeAlexandria • Maryland • United StatesSenior💰 $99,000 - $225,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in RMF governance and lifecycle management for DoD information systems, with a strong focus on security controls, risk management, and compliance with NIST standards. Proficient in technical writing, evidence validation, and collaboration with cross-functional teams to ensure system security and integrity.

Highest-signal resume keywords

DoD RMF GovernanceEMASS AdministrationNIST SP 800-53 Rev. 5Security+ CertificationTS/SCI Clearance

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Risk Management Framework (RMF)Security Control ImplementationTechnical WritingEvidence ValidationSystem Architecture DesignVulnerability AssessmentConfiguration ManagementData Flow AnalysisInterconnection DocumentationFirewall Management

Soft Skills

CollaborationAttention to DetailAnalytical ThinkingProblem SolvingCommunication

Tools & Technologies

EMASSACASNessusWindowsLinuxAWS CloudContainerization SystemsTicketing PlatformsWorkflow PlatformsSCAP

Certifications & Qualifications

Security+CISSPCASP+

Industry Keywords

DoD Authorization PracticesPOA&M ManagementNIST SP 800-37DoDI 8510.01TCP/IPPKIIdentity and Access ManagementSegmentationBoundary ProtectionMission Need

Tech Stack

Tools & technologies

AWSCloudCyber SecurityFirewallsLinuxTypeScript

About the role

Key responsibilities & impact

Own and sustain RMF governance activities for DoD information systems
Manage RMF lifecycle activities and authorization-package maintenance
Maintain SSP, ConMon Plan, IRP, CMP, control narratives, diagrams, inventories, and supporting evidence
Perform eMASS package administration and quality assurance
Coordinate monthly POA&M updates, evidence validation, milestone tracking, and closure
Analyze NIST SP 800-53 Rev. 5 controls and translate requirements into system-specific implementation statements
Develop Security Impact Assessments for proposed system and configuration changes
Develop or coordinate ISAs, MOAs, and MOUs for system interconnections
Support T-Req and data-connection reviews with ISSM, engineers, and system owners
Review T-Req or connection tickets for completeness
Prepare packages and stakeholders for continuous monitoring and authorization reviews
Analyze sources and destinations, ports, protocols, services, data sensitivity, encryption, authentication, boundary protection, and mission need
Identify required security artifacts, approvals, firewall and network actions, and interconnection documentation
Coordinate with ISSM, network and security engineers, system owners, and requestors
Maintain status, metrics, aging reports, and escalation paths
Identify high-risk or nonstandard connection requests for deeper assessment

Requirements

What you’ll need

5+ years of experience with DoD RMF or cybersecurity
Experience using eMASS to address security controls, create POA&Ms, and upload artifacts such as STIG checklists or ACAS scans
Experience administering Windows, Linux, AWS Cloud, and containerization systems, and software configuration
Knowledge of NIST SP 800-37, NIST SP 800-53 Rev. 5, DoDI 8510.01, POA&M management, and DoD authorization practices
Ability to validate STIG and vulnerability findings, false positives, risk acceptances, mitigations, remediation evidence, and closure packages using ACAS and Nessus scans, STIGs, SCAP, SCC, vulnerability results, configuration reviews, system queries, and manual procedures
Ability to analyze system boundaries, data flows, external interfaces, interconnections, inherited controls, and common-control dependencies
TS/SCI clearance required
Bachelor's degree in a technical field such as Engineering or Cyber
Security+ certification
Experience with technical writing and evidence-validation skills
Experience with ticket and workflow platforms and disciplined documentation
Knowledge of TCP, IP, ports, protocols, firewalls, segmentation, PKI, encryption, identity and access management, and DoD network security concepts
Knowledge of technical control implementation
Ability to read and design network and system architecture diagrams
Ability to evaluate ICAM controls, including MFA, PKI, CAC authentication, privileged access, account management, separation of duties, and least privilege
Ability to distinguish routine connectivity from connections that alter authorization boundary or risk posture
DoD 8570 or 8140-aligned certification such as CISSP or CASP+ certification

Benefits

Comp & perks

Health benefits
Life insurance
Disability benefits
Financial benefits
Retirement benefits
Paid leave
Professional development
Tuition assistance
Work-life programs
Dependent care
Recognition awards for exceptional performance and superior demonstration of company values