Information System Security Engineer SME

ECS Corporate Services; Washington (District of Columbia); On-site; USD 175,000 - 190,000; Full time

Benefits offered by this job

Top Secret clearance eligibility

Job summary

Everforth ECS in Washington, DC is seeking an Information System Security Engineer SME to design, implement, and maintain secure information systems. The candidate will lead RMF lifecycle activities and serve as a technical advisor on cybersecurity.

This role requires Top Secret with SCI eligibility and 10+ years of progressive security engineering experience; CISSP/CISSP-ISSEP/CSSLP/CASP/ISSAP certifications are preferred. Salary range $175,000–$190,000.

Qualifications

• Experience designing and implementing RMF-based security architectures.
• Strong background in risk management, security assessment, and authorization processes.
• Ability to lead, mentor, and coordinate security teams across programs.

Responsibilities

• Lead the implementation of the RMF lifecycle for Enterprise IT systems.
• Oversee the Prepare step with defined roles and risk strategies.
• Guide system categorization according to mission impact and regulatory requirements.
• Select, tailor, and document security controls aligned with system categorizations and compliance.
• Oversee implementation of technical, operational, and management controls across lifecycles.
• Ensure security control assessments are planned, executed, and documented.

Skills

Security engineering

RMF lifecycle

Risk management

Incident response

Audit support

Security controls

Technical advisory

Education

CISSP or equivalent

CASP/CASP-CE

CSSLP

ISSEP

ISSAP

Tools

GRC tools

RMF tools

Job description

Everforth ECS is seeking an Information System Security Engineer SME to work in our Washington, DC office. Please Note: This position is contingent upon contract award. Everforth ECS is seeking an experienced Information System Security Engineer (ISSE) - SME to join our team as an expert in designing, implementing, and maintaining secure information systems. The successful candidate will have a strong background in security engineering, architecture, and risk management, with a focus on protecting sensitive information and systems.

Responsibilities

• Responsible for leading the implementation of the Security Assessment and Authorization (SAA) Program: Lead, mentor, and supervise a team of security professionals responsible for the end-to-end implementation of the RMF lifecycle for Enterprise IT systems.
• Oversee and coordinate activities within the Prepare step, ensuring roles, responsibilities, and risk management strategies are clearly defined and maintained.
• Guide system categorization efforts to ensure all information systems are appropriately classified based on mission/business impact and regulatory requirements.
• Direct the selection, tailoring, and documentation of security controls aligned with system categorizations, Enterprise risk appetite, and compliance requirements.
• Oversee the implementation of technical, operational, and management controls throughout system and application lifecycles, with a particular focus on quality and completeness of all deliverables.
• Ensure comprehensive security control assessments are planned, executed, and documented to validate the effectiveness of implemented safeguards.
• Prepare risk management documentation for system authorization and executive decision making.
• Direct ongoing monitoring and continuous assessment activities, collecting metrics to adjust security strategies and ensure sustained compliance.
• Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.
• Foster a culture of security awareness, providing technical guidance and training to both team members and stakeholders.
• Track, report, and communicate status, risks, and improvement opportunities related to security engineering activities to leadership and stakeholders.
• Maintain up-to-date knowledge of RMF, NIST guidance, and industry best practices in support of continuous process improvement.

Salary Range: $175,000 - $190,000

General Description of Benefits

Security Clearance: Top Secret (TS) with SCI eligibility 10+ years of progressive technical security engineering experience to include use of GRC and RMF tools Hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate); CompTIA Advanced Security Practitioner (CASP) CASP CE; Certified Secure Software Lifecycle Professional (CSSLP); CISSP- Information System Security Engineering Professional (ISSEP); or CISSP- Information System Security Architecture Professional (ISSAP). Minimum 10 years' experience, or equivalent education/experience; Doctorate plus 6 years; Master's plus 6 years; Associates plus 10 years; or H.S./GED plus 14 years.