Mid-level Network Engineer

ERT, Inc.; Denver (CO); On-site; USD 125,000 - 150,000; Full time

Job summary

Entarian is seeking a motivated Network Engineer to join our team supporting the US Space Force meshONE-T program. The role focuses on managing, configuring, and troubleshooting network infrastructure from our Denver, CO area office.

Responsibilities include planning, designing, and maintaining local and wide area networks, monitoring performance, and collaborating with cybersecurity and operations teams. A Secret clearance is required, with eligibility for TS/SCI, and travel to Colorado Springs

Qualifications

• 5+ years of network engineering experience including design of LAN/WAN and network architecture.
• Routing/switching configuration and troubleshooting to CCNP level.
• IP addressing including IPv4/IPv6 subnetting and routing.
• Security+ certification required.
• Travel to Colorado Springs and Boulder with under 10% out-of-state travel.
• Ability to be on-call (about 4 times annually in 1-week increments).

Responsibilities

• Plan, design, and evaluate networks across LAN/WAN with analytical and administrative support.
• Troubleshoot network issues; install and upgrade network equipment and software (long-haul carrier cross-connections).
• Create and maintain network configuration documentation and service records.
• Maintain network component inventory and related documentation.
• Monitor network performance and generate performance reports.
• Coordinate with cybersecurity, network, operations, and PM teams for installations and troubleshooting.
• Update documents when transport design or technologies change; test systems to meet requirements for performance and security.
• Provide design and architecture recommendations to improve network performance.

Skills

CCNP level routing & switching

IP addressing & subnetting

Security+ certification

On-call readiness

Travel readiness <10%

Tools

NetBrain

SolarWinds

Infoblox

Job description

Mid-level Network Engineer

Job Details

• ID: 2026-9827
• Type: Full Time W/Benefits Ret Match
• Location: US-CO-Denver
• Security Clearance: Secret

Job Overview

Entarian is seeking a motivated and detail-oriented Network Engineer to join our team in supporting the US Space Force meshONE-T program. This position will assist in the management, configuration, and troubleshooting of the network infrastructure. This position is based out of the Denver, CO, area.

Responsibilities

• Plans, designs, and evaluates new and existing computer networks, services, policies and procedures across local and wide area networks, providing analytical, technical, and administrative support
• Troubleshoots network issues--installs and upgrades network equipment and software to include long-haul carrier cross-connections
• Creates and maintains documentation in accordance with system configuration management processes relating to network configuration, network mapping, and service records
• Practices network asset management, including maintenance of network component inventory and related documentation and technical specifications
• Monitors and tests network performance and provides network performance statistics and reports
• Communicate effectively with other project groups such as cybersecurity, network, operations, and Program Management teams to assist with the installation and troubleshooting of systems components
• Support of all updates to all documents when there is change in the transport design and/or technologies and collaborating with all 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
• Provide design and architecture recommendations to enhance and improve network performance
• Current active Secret clearance and eligible for a TS/SCI

Salary: $125,000 - 150,000

Minimum Qualifications

• At least 5 years of network engineering experience: functions and concepts of a wide area network, OSI network layers, designing LAN/WAN's and network architecture and design
• Experience with routing/switching configuration and troubleshooting to the CCNP level
• IP experience (to include sub-netting and routing), IPV4/IPV6
• Security + certification
• Able to travel to travel occasionally to Colorado Springs and Boulder and with l less than 10% out of state travel
• Ability to be on-call (estimated 4x annually in 1-week increments)

Desired Qualifications

• Experience with NetBrain, Network Services Orchestrator, Solarwinds, Infoblox, and ITSM
• Knowledge of/experience with space mission systems
• Familiarity with VM, Linux, and/or Windows environments
• Experience with scripting languages such as Bash, Python, and Ansible 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 Affimative 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.