MetroStar · 23 hours ago
Sr. Network Security Engineer III (6373)
Washington, DC
Full-time
Onsite
Senior Level, Lead/Staff
$207K/yr - $285K/yr
10+ years expMetroStar is a company dedicated to securing mission-critical networks for high-visibility customers in the federal government. The Sr. Network Security Engineer III will design, implement, and manage security solutions while ensuring the integrity and security of network environments.
Artificial Intelligence (AI)Cloud Data ServicesCyber SecurityInformation TechnologyMachine LearningManagement ConsultingMobileSoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, implement, and manage firewalls, VPNs, IPS, and NAC solutions in mission-critical environments
Secure network perimeters and internal network segments using defense-in-depth strategies
Respond rapidly to security incidents, vulnerabilities, and operational needs with urgency and discipline
Support continuous security hardening and improvement of network infrastructure
Participate in Agile execution, technical planning, and security risk discussions
Communicate security impacts, risks, and mitigation strategies clearly to technical and non-technical stakeholders
Recommend and implement security architecture and operational improvements
Serve as a hands-on technical SME, contributing immediately with minimal ramp-up
Establish and maintain a high level of customer trust and confidence through reliable, secure delivery
Apply creativity and engineering judgment to deliver practical, mission-focused security solutions
Qualification
Required
An active Top Secret with SCI eligibility security clearance
10–15+ years of network and security engineering experience
Hands-on experience designing and operating firewalls, VPNs, IPS, and NAC solutions
Experience with Palo Alto PA-5000 series and Cisco ASA platforms
Required expert-level certification such as CCIE Security, JNCIE-SEC, or Fortinet FCSS (NSE 8)
Possess a DoD 8140 DCWF Role of 441 – Network Operations Specialist with certifications such as CEH, Cloud+, GCIH, GICSP, GSEC, Security+, or SSCP
Ability to contribute immediately
Preferred
Bachelor's degree in a technical field is preferred; Relevant experience may be substituted for education
Benefits
Health, dental, and vision insurance
401(k) retirement plan with company match
Paid time off (PTO) and holidays
Parental Leave and dependent care
Flexible work arrangements
Professional development opportunities
Employee assistance and wellness programs
Company
MetroStar
MetroStar is a leading provider of secure digital transformation and Artificial Intelligence (AI)-enabled solutions, specializing in delivering cutting-edge IT services to government agencies and defense organizations.
501-1000 employees
Funding
Current Stage
Late StageTotal Funding
unknown2025-11-12Acquired
Leadership Team
Robert Santos
President and Co-Founder
Recent News
Washington Technology
2025-11-14
2023-09-19
Company data provided by crunchbase