Network Engineer (Principal/Lead) - TS/SCI with Polygraph Required

Catalyst Operations & Analytics; Österreich; On-site; EUR 120,000 - 170,000; Full time

Job summary

Catalyst Operations & Analytics seeks a Principal/Lead Network Engineer to guide architecture, modernization, and delivery of a large global network. You will influence technology direction, mentor engineers, and drive significant modernization initiatives across CONUS and international sites.

You will research emerging technologies, work with major vendors, and present architecture decisions to customers and senior stakeholders, ensuring minimal service disruption.

Qualifications

• Experience designing and modernizing large global enterprise networks (LAN/WAN/CAN).
• Strong routing and switching experience with OSPF, BGP, MPLS, VRF, VPN at scale.
• Proven ability to research, assess, and recommend new network technologies.
• Deep expertise with Cisco, Juniper, and Brocade hardware.
• IAT II certification per DoD 8140/8570 required.
• Ability to lead large-scale modernization with minimal service disruption.
• Excellent communication and technical writing; present architecture to stakeholders.
• Role includes mentoring senior, mid-level, and junior engineers.

Responsibilities

• Provide technical leadership across architecture, modernization, and delivery of global network infrastructure.
• Mentor senior, mid-level, and associate network engineers.
• Research, assess, and recommend emerging network technologies.
• Present and defend network architecture decisions to customers and senior stakeholders.
• Set technical direction for large-scale network modernization efforts.

Skills

Network architecture

Routing protocols (OSPF/BGP/MPLS)

Emerging tech evaluation

Network hardware (Cisco/Juniper/Brocad

IAT II certification

Leadership in modernization

Technical writing & presentation

Mentoring engineers

Education

Bachelor's degree and 12+ years experience

Master's degree and 10+ years

Job description

Position Summary

Principal/Lead Network Engineers provide technical leadership across the architecture, modernization, and delivery of large, complex, global enterprise network infrastructure in support of the customer's mission. Principal/Lead Network Engineers research, assess, and recommend emerging network infrastructure technologies, own major network design decisions, and set technical direction for large-scale network modernization efforts spanning CONUS and OCONUS locations. Principal/Lead Network Engineers are expected to mentor Senior, Mid-Level, and Associate network engineers and represent network architecture decisions directly to the customer.

Requirements

US Citizenship and TS/SCI with Polygraph (no exceptions)

Education/Experience Requirements:

• Bachelor's degree and 12+ years of relevant network engineering experience (Master's degree and 10+ years also acceptable); additional relevant experience may be considered in lieu of a degree

Required Skills:

• Expert-level experience architecting and modernizing large, global enterprise network infrastructure (LAN/WAN/CAN)
• Extensive experience with routing and switching protocols (e.g., OSPF, BGP, MPLS, VRF, VPN) at global enterprise scale
• Demonstrated experience researching, assessing, and recommending emerging network infrastructure technologies
• Deep expertise with network hardware from major vendors (e.g., Cisco, Juniper, Brocade)
• DoD 8140/8570 Information Assurance Technical (IAT) Level II certification required
• Demonstrated ability to lead large-scale network modernization and transition efforts with minimal service disruption
• Excellent critical thinking, technical writing, and oral communication skills, including the ability to present and defend network architecture decisions to customers and senior stakeholders
• Principal/Lead positions set technical direction for network architecture across the program and mentor Senior, Mid-Level, and Junior network engineers