ManTech
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Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Lead Network Engineer, Centrix to join our team in Doral, FL.
Provide technical leadership and mentorship to junior IT staff and help desk technicians, establishing best practices for daily operations.
Designing, deploying, configuring, and maintaining enterprise network infrastructure supporting CENTRIXS Combined Federated Server/Combined (CFS/C) capabilities.
Managing enterprise routers, switches, firewalls, network crypto devices, and cross-domain coalition network architectures.
Troubleshooting complex network routing, switching protocols, coalition data flows, and hardware connectivity issues.
Collaborating with cross-functional technical teams, coalition partners, and leadership to ensure secure multinational network interoperability.
Conducting routine network maintenance, firmware upgrades, vulnerability patching, and configuration management controls.
Maintaining system baselines, configuration management records, and engineering documentation across CENTRIXS network nodes.
Recommending and implementing continuous engineering process improvements to enhance coalition network performance and security compliance.
Bachelor’s degree in Network Engineering, Computer Science, Information Technology, or a related field with 7+ years of experience in enterprise network engineering.
OR a master’s degree and 5+ or more years of relevant experience
OR an associate’s degree and 9+ or more years of relevant experience
OR a high school diploma and 11+ or more years of relevant experience
Proven experience configuring, administering, and troubleshooting CENTRIXS network systems, coalition WAN/LAN environments, or cross-domain networks.
Strong background in enterprise routing/switching protocols (BGP, OSPF, EIGRP), VPNs, firewalls, and network access control.
Experience maintaining network baselines, baseline documentation controls, and security patch deployment schedules.
Experience creating, maintaining, and communicating complex technical engineering documentation and coalition network topology diagrams.
Relevant professional certifications such as Cisco Certified Network Associate (CCNA), Cisco Certified Network Professional (CCNP Enterprise/Security), or CompTIA Security+.
Prior experience supporting U.S. Military Command operations, Combatant Command environments, or multinational coalition networks.
Familiarity with DoD STIG compliance, automated vulnerability scanning tools (ACAS), and crypto key management (HAIPE/TACLANE).
Demonstrated ability to collaborate effectively across multi-disciplinary engineering teams in fast-paced operational environments.
Must hold a current/active top secret security clearance.
Must be able to remain in a stationary position 50%.
Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.
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