Information Systems Security Engineer (ISSE)

Enterprise Horizon Consulting Group • Washington, DC

6h

About The Position

Enterprise Horizon Consulting Group is seeking a highly motivated Information Systems Security Engineer (ISSE) to join our team in support of our DoD customer. The ISSE will be responsible for engineering, implementing, and maintaining cybersecurity controls to achieve and sustain an Authority to Operate (ATO) in accordance with DoD and federal requirements.

Requirements

• Active Secret Security Clearance
• Bachelor’s degree in Cybersecurity, Computer Science, Engineering, or a related field (or equivalent experience)
• Experience supporting DoD or federal information systems
• Strong knowledge of RMF, NIST cybersecurity standards, and DoD cybersecurity policies
• Experience with system security engineering throughout the system development lifecycle (SDLC)
• Experience with Enterprise Mission Assurance Support Service (eMASS)
• Ability to analyze technical designs and identify security risks
• Strong verbal and written communication skills
• Exceptional technical writing and documentation skills

Nice To Haves

• Familiarity with the RMF process for integration tools such as MuleSoft a plus

Responsibilities

• Engineer and implement security controls to support system ATO and ongoing authorization
• Lead and support Risk Management Framework (RMF) activities from system categorization through authorization and continuous monitoring
• Develop, review, and maintain ATO documentation including SSPs, SAPs, SARs, POA&Ms, and supporting artifacts
• Map and implement security controls in accordance with NIST SP 800-53, DoDI 8510.01, and DoD cybersecurity policies
• Support security control assessments and coordinate with Authorizing Officials (AOs) and assessors
• Perform security engineering analysis to ensure system designs meet confidentiality, integrity, and availability (CIA) requirements
• Conduct vulnerability assessments and support remediation efforts to reduce risk prior to and after ATO
• Analyze system changes and assess security impact to maintain ATO posture
• Support continuous monitoring activities, including vulnerability scanning, STIG compliance, and annual assessments
• Utilize eMASS to manage RMF artifacts, control status, and ATO packages
• Provide guidance on secure system configurations, hardening, and best practices
• Support audits, inspections, and compliance reviews

Benefits

• Medical, Dental, & Vision
• Life Insurance, Short-term Disability, Long-term Disability
• SIMPLE IRA with Company Match
• Federal Holidays
• Vacation & Sick Leave
• $500 Referral Bonus

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 11-50 employees