Principal Network Engineer

ERT, Inc.; Denver (CO); On-site; USD 160,000 - 180,000; Full time

Job summary

Entarian, formed from Sev1Tech and ERT, seeks a Principal Network Engineer to design, implement, and maintain a secure, scalable network for meshONE-T with US Space Force collaboration. The role is based in Denver, CO with on-site work four days per week and potential customer-site locations.

The ideal candidate brings 15+ years of network engineering experience, expertise in routing protocols (BGP/OSPF/EIGRP), and hands-on management of enterprise devices (Cisco, Juniper) along with TS/SCI

Qualifications

• 15+ years in network engineering with 5+ years in service provider functions.
• Proficient with routing protocols (BGP, OSPF, EIGRP) and enterprise-grade devices.
• Ability to lead a technical team and coordinate across stakeholders.
• Eligible for TS/SCI clearance.

Responsibilities

• Plan, design, and provide scalable secure network solutions for US Space Force and DoD entities.
• Diagnose and resolve complex network issues to minimize downtime.
• Create and maintain documentation for network configuration and processes.
• Mentor and guide networking team members.
• Collaborate with stakeholders to test systems and verify performance and security.

Skills

Routing protocols (BGP, OSPF, EIGRP)

Enterprise network devices (Cisco, Jun

Tools

Cisco ISE

Palo Alto

Job description

Principal Network Engineer

ID: 2025-9324

Contract Type: Full Time W/Benefits Ret Match

Location: US-CO-Denver

Security Clearance: Top Secret

Overview/ Job Responsibilities

We are seeking a highly skilled and experienced Principal Network Engineer to support the US Space Force meshONE-T program. The ideal candidate will be responsible for designing, implementing, and maintaining a complex network infrastructure. This position is based out of the Denver, CO area. However, for this role we're looking for a candidate to work out of our Denver Tech Center office.

meshONE-T is the ground component of the larger meshONE concept and will eventually integrate with the Air and Space components of meshONE to provide an end-to-end network solution across all mediums, environments, and warfighting domains.

meshONE-T is a closed network and the expectation is at least 4-days/week on-site or at a customer location.

• Plan, design, and provide scalable and secure network solutions to meet the evolving mission environment of the US Space Force and other DOD entities
• Diagnose and resolve complex network issues to minimize downtime and ensure optimal performance
• Create and maintain documentation relating to network configuration, network mapping, processes, and service records
• Establish and document network technical support processes and procedures
• Monitor and test network performance and provide network performance statistics and reports for internal and external uses
• Act as technical liaison and subject matter expert between clients and customers
• Update technical documentation when there are changes in the transport design and/or technologies
• Collaborate with stakeholders to test all related systems and processes to verify that the systems meet requirements and can host applications with no degradation to performance or security
• Mentor and provide guidance to other networking team members
• Recommend and justify design and architecture changes to enhance and improve network performance

Salary Range: $160,000 to $180,000

Minimum Qualifications

• 15+ years of overall network engineering experience, with at least 5+ years working service provider functions of a network, including on-site experience activating and troubleshooting underlay carrier circuits
• Proficiency in routing and switching protocols (e.g., BGP, OSPF, EIGRP) and managing enterprise-grade network devices (e.g., Cisco, Juniper)
• Hands-on experience with network security tools and equipment (e.g. - Cisco ISE, Palo Alto, etc.)
• Less than 10% travel out of state
• Non-supervisory position: however, position will be expected to lead operational actions and facilitate work amongst a technical team
• meshONE-T is a closed network and the expectation is at least 4-days/week on-site or at a customer location

SECURITY CLEARANCE: Must be currently eligible for a TS/SCI

Desired Qualifications

• Project experience implementing and overseeing large-scale networks
• Experience with segment routing
• Experience designing ground stations for space mission systems
• Experience working in Department of Defense, or with Department of Defense or Federal contracts

About Us

Formed through the strategic union of Sev1Tech and ERT, Entarian is a premier provider of mission-critical engineering and technology solutions. Founded on a legacy of excellence dating back to 1993, Entarian is a product of an evolved and fully diversified engineering and federal technology leader. From deep space to defense and civilian missions, Entarian delivers secure, mission-aligned digital solutions that drive national resilience and operational effectiveness. We don't just support modernization; we define it.

Entarian is an Equal Opportunity and affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.