Cleared Information Systems Security Engineer (ISSE)

Bestgate Engineering • Annapolis Junction, MD

86d • $175,000 - $220,000

About The Position

Bestgate Engineering is hiring a senior-level ISSE to support enterprise systems across a distributed environment. This role requires a deep understanding of security design, assessment, and compliance in mission-critical systems.

Requirements

• 15+ years of experience as an ISSE in large-scale, complex environments
• Bachelor’s degree in Computer Science, Engineering, or related technical field (Four years of additional experience may substitute for a degree)
• Security Clearance: Active TS/SCI w/ Polygraph

Nice To Haves

• CISSP, CASP+, or other DoD 8570-compliant certifications
• Hands-on experience with automated security tools (e.g., Nessus, ACAS, Splunk)
• Familiarity with DevSecOps pipelines, CI/CD, and container security
• Understanding of cloud security (AWS or similar)
• Experience supporting NSA or DoD customer environments
• Ability to guide engineering teams through ATO and RMF processes

Responsibilities

• Define and validate system security requirements and architecture
• Identify, implement, and enforce enterprise-wide security policies and solutions
• Lead security planning, risk assessments, and mitigation strategies across the system lifecycle
• Conduct security impact analysis for new features and system changes
• Evaluate and select security technologies that align with compliance requirements
• Analyze systems against compliance frameworks (e.g., ICD 503, RMF, NIST)
• Collaborate with system engineers, developers, and integration teams to meet security objectives
• Conduct vulnerability scans and review system logs and configurations
• Participate in Agile ceremonies including Program Increment Planning and team syncs
• Advise stakeholders on security architecture, policy decisions, and technical tradeoffs
• Support customer briefings and technical exchanges on security posture and findings

Benefits

• PTO: Starting at 26 days with options to increase or decrease for personal needs.
• 401k: 7% gift, fully vested from day one!
• Free Medical, Dental, Vision: Coverage for employees and dependents.
• $5,000 in Training: For certifications, conferences, and continued learning.
• End-of-Year Bonuses: Recognizing your hard work.
• Morale-Building Hours: 8 hours annually for team-building activities.
• Plus, flexibility, internal mobility programs, career pathing, engaged leadership, and a robust external referral program.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Bachelor's degree
• Number of Employees: 11-50 employees