Senior ISSE – RMF Security Engineer (SDLC & Cloud)

Age Solutions; Salem (PA); Hybrid; USD 117,000 - 143,000; Full time

Benefits offered by this job

26 Days Paid Leave

Performance Bonuses

401(k) with Match

Life Insurance

Health Benefits

Parental Leave

Military Differential Pay

Professional Growth

Job summary

AGE Solutions is seeking an experienced Information System Security Engineer (ISSE) to serve as a customer-facing cybersecurity engineering consultant. You will support ISSMs, ISSOs, Mission Partners, system owners, and developers by delivering security architecture, RMF guidance, and DoD policy compliance across on-premises and cloud environments within the SDLC.

The role requires DoD Top Secret clearance, 10+ years of related experience, and expertise in RMF, NIST SP 800-37/53, and modern

Qualifications

• Bachelor's degree or equivalent professional experience.
• 10+ years of related experience.
• DoD 8140 Work Role 652 - Security Architect certification (must have one of listed): Security X/CASP+CE, CCSP, Cloud+, CISSP, CSSLP, CISM, CISSP-ISSAP, CISSP-ISSIP, CSSLP, GSEC.
• Must have and maintain a current DoD Top Secret clearance.
• Must reside within commutable distance of Fort Meade, MD or Chambersburg, PA for hybrid onsite (4 days onsite weekly).
• Expert-level RMF and NIST SP 800-37 knowledge.
• Expert-level knowledge of NIST SP 800-53 controls.
• Hands-on with enterprise security tech: SIEM (Splunk/Elastic), ACAS/Nessus, EDR.
• Experience turning compliance requirements into practical engineering solutions.
• Strong written, verbal, consulting, and presentation skills.

Responsibilities

• Serve as embedded security engineering expert for partners and development teams.
• Provide security engineering support throughout the SDLC: requirements, design, planning, implementation, production.
• Translate RMF, NIST SP 800-53/37 and DoD policy into actionable security controls.
• Conduct security architecture and design reviews for new and existing systems.
• Analyze architectures, apps, APIs, microservices, containers, and data flows for weaknesses.
• Collaborate to implement security controls and reduce compliance friction.
• Engineer and document vulnerability mitigation strategies and POA&M actions.
• Develop solutions reducing attack surface while preserving mission capability.
• Translate security requirements into specific implementation activities (MFA, encryption, zoning).
• Apply DoD STIGs, SRGs, PPSM to system engineering activities.
• Use telemetry from SIEM/Vuln scans/EDR to propose improvements.
• Mentor ISSMs/SSOs/developers and communicate risks to leadership.
• Document customer interactions, systems, issues, and recommendations.

Skills

Security Architect

RMF

NIST SP 800-37

NIST SP 800-53

DoD 8140

DoD STIGs

Clearance (Top Secret)

Security Engineering

Presentation Skills

Education

Bachelor's degree or equivalent

DoD 8140 Certification (required)

Tools

Splunk

Elastic

ACAS/Nessus

EDR

Job description

AGE Solutions is seeking an experienced Information System Security Engineer (ISSE) to serve as a customer-facing cybersecurity engineering consultant. You will support ISSMs, ISSOs, Mission Partners, system owners, and developers by delivering security architecture, RMF guidance, and DoD policy compliance across on-premises and cloud environments within the SDLC.

The role requires DoD Top Secret clearance, 10+ years of related experience, and expertise in RMF, NIST SP 800-37/53, and modern