Senior Network Engineer — Mission-Critical, Flexible Denver

United Launch Alliance (ULA); Englewood (CO); On-site; USD 121,000 - 202,000; Full time

Benefits offered by this job

401(k) match

Discretionary bonus

Paid time off

Flexible work environments

9/80 schedule

Job summary

United Launch Alliance (ULA) is seeking a senior Network Engineer IV to design, implement, and optimize complex network infrastructure across enterprise and launch environments. You will lead major initiatives, drive automation, and mentor engineers while coordinating with engineering, cyber, launch operations, and IT teams.

The role focuses on reliability, security, scalability, and performance, with opportunities to influence architectural direction and modernization efforts across ULA’s

Qualifications

• Bachelor's degree in STEM (Science, Technology, Engineering, Mathematics) from an accredited college or university.
• Four years of directly related exempt work experience may be used to satisfy the bachelor’s degree requirement.
• Extensive experience leading implementation and optimization of enterprise-class networks.
• Strong background designing solutions, executing complex network changes, and driving technical improvements across multi-site environments.
• Serves as a senior escalation point for high‑severity incidents and launch‑critical network issues.
• Experience owning major network projects from design through deployment and stabilization.
• Demonstrated ability to guide, mentor, and technically develop Level 2 and Level 3 engineers.
• Deep expertise in TCP/IP networking, routing, switching, segmentation, QoS strategies, multicast architecture, and secure connectivity design.
• Advanced hands‑on experience with core routing and switching platforms, data center fabrics, high-throughput WAN systems, wireless infrastructure, and mission‑critical network services.
• Expert‑level proficiency in dynamic routing protocols (OSPF, BGP) including route policy engineering, optimization, traffic steering, and multi‑region design.
• High proficiency with Cisco enterprise technologies, including advanced switching, data center solutions, and Cisco ACI for fabric‑based network architecture.
• Significant experience with next‑generation firewalls and security platforms (Palo Alto, Cisco ASA/Firepower), including advanced rule design, segmentation models, and security posture tuning.
• Ability to design and implement resilient, redundant, and disaster‑tolerant network environments supporting high‑availability operations.
• Strong automation experience using technologies such as Python, Ansible, PowerShell, or Terraform to improve network consistency, speed, and reliability.
• Advanced cloud networking experience integrating Azure/AWS networking into enterprise routing, firewalling, identity systems, and monitoring.
• Proficiency with enterprise telemetry tools (SolarWinds, NetFlow, packet analysis, advanced monitoring systems) for performance optimization and proactive issue resolution.
• Ability to lead full lifecycle network engineering: design, documentation, configuration, deployment, testing, knowledge transfer, and operational transition.
• Strong understanding of NAC frameworks and enterprise identity‑driven access, including Cisco ISE
• Leads complex projects, modernization efforts, and major infrastructure deployments.
• Serves as a senior technical advisor to cross‑functional partners and contributes to solution‑level architectural discussions.
• Mentors Level 3 and below, helping shape technical behaviors, quality standards, and troubleshooting approaches.
• Influences network standards, operational practices, and improvement initiatives under the guidance of Level 5 architects.
• Communicates effectively with leadership, providing clear technical insights, risk assessments, and solution recommendations.

Responsibilities

• Design, implement, and optimize network infrastructure across enterprise and launch environments.
• Lead major initiatives and deliver advanced engineering solutions for mission-critical operations.
• Mentor lower-level engineers and guide cross-functional partners on network projects.

Skills

Network engineering

TCP/IP

OSPF

BGP

Cisco ACI

Firewalls

Automation

Azure/AWS networking

Telemetry tools

Mentoring engineers

Education

Bachelor's degree in STEM

Tools

Cisco enterprise technologies

Core routing/switching platforms

Job description

United Launch Alliance (ULA) is seeking a senior Network Engineer IV to design, implement, and optimize complex network infrastructure across enterprise and launch environments. You will lead major initiatives, drive automation, and mentor engineers while coordinating with engineering, cyber, launch operations, and IT teams.

The role focuses on reliability, security, scalability, and performance, with opportunities to influence architectural direction and modernization efforts across ULA’s