Job Description

Salary: $207,000 - 320,000 per year Requirements:

• Active Top Secret clearance with current or previously held SCI access
• Technical certifications: Security+ and at least one platform-specific security certification (PCNSE, Fortinet NSE, or Cisco security certification)
• DoD 8140 certification aligned with the 441 Network Operations Specialist role, such as Network+, Security+, Cloud+, SSCP, CASP+, CISSP, or CCNP Security
• Over 10 years of experience in network engineering focusing on enterprise network security
• Proven expertise in designing, implementing, and managing next-generation firewalls, VPNs, intrusion prevention systems, and network access control platforms
• Practical experience in securing network perimeters and internal segments, including policy design, segmentation, and threat mitigation
• Operational experience managing firewall rule sets, VPN tunnels, and security policies in mission-critical environments
• Hands-on experience with at least one enterprise security platform such as Palo Alto Networks, Fortinet, or Cisco security technologies
• Proficient with Cisco ISE and Cisco ASA environments
• Experience with IDS and IPS solutions and endpoint configuration hardening in secure environments
• Familiarity with Zero Trust architectures and identity-centric network security patterns
• Bachelors degree in a technical discipline is preferred, relevant experience may substitute for education
• Ability to immediately contribute in a mission-critical operational environment

• Design, implement, and oversee firewalls, VPNs, IPS, and NAC solutions in mission-critical settings
• Fortify network perimeters and internal segments utilizing defense-in-depth strategies
• Swiftly respond to security incidents, vulnerabilities, and operational requirements with urgency
• Assist in continuous enhancements and fortifications of the network infrastructure
• Engage in Agile implementation, technical planning, and discussions on security risks
• Clearly communicate security impacts, risks, and mitigation strategies to both technical and non-technical audiences
• Suggest and execute improvements in security architecture and operations
• Act as a hands-on technical subject matter expert, providing immediate contributions with minimal onboarding
• Build and maintain a high level of trust and confidence with customers through consistent, secure service delivery
• Apply creativity and engineering judgment to create practical, mission-focused security solutions

• Cloud
• Cisco
• Firewall
• Network
• Security
• VPN
• Support

More:

At MetroStar, we are dedicated to securing mission-critical networks for high-visibility federal clients, ensuring impactful contributions across government sectors. We pride ourselves on our two-decade legacy of recruiting exceptional talent, valuing our commitment to our people and our customers. We are looking for a proactive Sr. Network Security Engineer III to join our dynamic team, where you can expect a supportive environment, opportunities for professional development, and a comprehensive benefits package including health insurance, a 401(k) plan, paid time off, flexible work arrangements, and more. This essential role is based at our location and may require participation during critical situations like government shutdowns.

last updated 17 week of 2026

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