Network Engineer, Centrix

MANTECH; Miami (FL); On-site; USD 120,000 - 180,000; Full time

Job summary

MANTECH is seeking a Network Engineer, Centrix, to design, deploy and maintain CENTRIXS network systems in a Doral, FL environment. The role focuses on enterprise routers, switches, firewalls, and cross-domain coalition networks to support CENTRIXS capabilities.

The candidate will troubleshoot routing and switching, collaborate with coalition partners and leadership, and conduct routine maintenance, patching, and documentation to meet security and interoperability requirements.

Qualifications

• Experience configuring, administering, and troubleshooting CENTRIXS systems.
• Strong background in enterprise routing/switching protocols (BGP, OSPF, EIGRP) and VPNs.
• Experience with coalition WAN/LAN environments or cross-domain networks.

Responsibilities

• Design, deploy, configure, and maintain CENTRIXS network infrastructure.
• Manage routers, switches, firewalls, network crypto devices, and cross-domain coalition networks.
• Troubleshoot complex network routing, switching protocols, coalition data flows, and hardware connectivity issues.
• Collaborate with cross-functional technical teams, coalition partners, and leadership for secure multinational network interoperability.
• Conduct routine network maintenance, firmware upgrades, vulnerability patching, and configuration management controls.
• Maintain system baselines, configuration management records, and engineering documentation across CENTRIXS network nodes.
• Recommend and implement continuous engineering process improvements to enhance coalition network performance and security compliance.

Skills

CENTRIXS

Routing protocols

BGP

OSPF

EIGRP

VPNs

Firewalls

ACLs

Network docs

Education

Bachelor's degree in Networking or related field

Master's degree in related field

Associate degree + 7+ years experience

High school diploma + 9+ years experience

Tools

Cisco devices

ACAS

HAIPE/TACLANE

DoD STIG compliance

Job description

MANTECH seeks a motivated, career and customer-oriented Network Engineer, Centrix to join our team in Doral, FL.

Responsibilities Include But Are Not Limited To

• 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.

Minimum Qualifications

• Bachelor's degree in Network Engineering, Computer Science, Information Technology, or a related field with 5+ years of experience in enterprise network engineering.
• OR a master's degree and 3+ or more years of relevant experience
• OR an associate's degree and 7+ or more years of relevant experience
• OR a high school diploma and 9+ 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.

Preferred Qualifications

• 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.

Clearance Requirements

• Must hold a current/active top secret security clearance.

Physical Requirements

• 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.