Systems Security Engineer SME

Peraton is seeking a Systems Security Engineer SME to support the security, compliance, and operational readiness of mission-critical information systems. This onsite role in Annapolis Junction, MD focuses on safeguarding sensitive and classified systems and data through security planning, continuous monitoring, authorization support, and security documentation.

In this position, you will serve as a technical authority within the Information Assurance (IA) program, helping coordinate IT security activities across systems and projects while enabling system certification and accreditation.

Key Responsibilities

• Act as the Information Systems Security Approval Authority for systems under your control.
• Provide technical and compliance support for the organization’s Information Assurance (IA) program.
• Plan, coordinate, and enforce IT security programs across multiple systems and projects.
• Maintain the operational security posture for mission-critical information systems.
• Develop and enforce information system security policies, standards, and methodologies.
• Support day-to-day security operations, including system monitoring and incident response.
• Conduct vulnerability and risk assessments to support system certification and accreditation (C&A).
• Evaluate security solutions to ensure they meet requirements for handling classified data.
• Manage system configuration, changes, and security impact assessments.
• Support planning, implementation, assessment, authorization, and continuous monitoring of information system security.
• Develop, maintain, review, and update security documentation supporting compliance and authorization decisions, including:
  • System Security Plans (SSPs)
  • Risk Assessment Reports
  • C&A packages
  • System Control Traceability Matrices (SCTMs)

Qualifications

• Active TS/SCI security clearance polygraph is required.
• 20 years of Systems Engineering experience on programs of comparable scope and complexity, with demonstrated expertise in planning and leading Systems Engineering efforts.
• Bachelor’s degree in a technical discipline (Computer Science, Information Systems, Engineering Science, or a related discipline).
• Five (5) years of additional relevant Systems Engineering experience may be substituted for a degree.

Compensation & Location

• Location: Annapolis Junction, MD (onsite)
• Target salary range: USD 190,000 - 304,000 per year

Benefits

• Medical
• Dental
• Vision
• Life
• Health savings account
• Short/long term disability
• EAP
• Parental leave
• 401(k)
• Paid time off (PTO) for vacation
• Company paid holidays

Application Notes

• The application period is estimated to be 30 days from the job posting date.
• By applying, you are expressing interest in the role and the Company.
• During application review, you may be required to participate in an on-camera interview and a process to verify identity.
• Use of artificial intelligence (AI) tools during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization.
• All interview responses must be the candidate’s own.

Equal Employment Opportunity

Peraton is an equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.