Senior 5G Network Engineer Jobs in Colorado (NOW HIRING)

About Our Job
Who We Are
With competitive pay, great benefits, and endless opportunities, working for the City and County of Denver means seeing yourself working with purpose - for you, and those who benefit from your passion, skills and expertise. Join our diverse, inclusive and talented workforce of more than 13,000 team members who are at the heart of what makes Denver, Denver.
We value diversity of ethnicity, race, socioeconomic status, sexual identity, gender, religion, language, ability, and experience and exemplify this through the makeup of our team at all levels. You'll be right at home here if you cultivate strong relationships and push yourself, your work, the people around you and Denver to the next level.
The Technology Services Department (TS) of the City and County of Denver use state-of-the-art technologies and methodologies to deliver and improve the systems, applications, and operations to our customers. Technology Services supports the people, agencies, and ideas that make the City and County of Denver a world-class city. The city offers a unique opportunity to work with a diverse business and technology environment on a large scale as we employ more than 13,000 people, of which 9,000+ are daily technology consumers in support of a diverse population over 700,000 Denverites.
What We Offer
The City and County of Denver offers a competitive salary commensurate with education and experience. The hiring range for this position is $95,000.00 - $123,000.00/year, based on experience and education. We also offer generous benefits for full-time employees which include but are not limited to:

• A guaranteed life-long monthly pension, once vested after 5 years of service
• 457B Retirement Plan
• 140 hours of PTO earned within first year + 12 paid holidays, 1 personal holiday, 1 Wellness Day and 1 volunteer day per year
• Competitive medical, dental and vision plans effective within 1 month of start date

Location
This role is onsite at 201 W. Colfax Ave. and includes regular visits to other City buildings across the Denver Metro area.
What You'll Do
We're looking for a highly motivated, hands-on Senior Network Engineer who loves the craft of networking and takes pride in building reliable systems for a major metropolitan government environment.
This role sits on TS's build/architecture team, responsible for designing, implementing, refreshing, and handing off network infrastructure across City agencies.
If you're an engineer with strong Cisco/Meraki experience who enjoys meaningful responsibility, minimal travel, and a supportive, collaborative team - this role will feel like home.
As a Network Engineer on our architecture/build team, you will support design, installation, refresh, documentation, and operational readiness across Denver's enterprise network footprint.
Responsibilities
Core Build & Infrastructure Tasks

• Perform day-to-day maintenance, installation, upgrades, and monitoring of Cisco & Meraki network systems.
• Plan, coordinate, and perform IOS upgrades, switch/router replacements, and major refresh projects following change management procedures.
• Build and deploy new sites, equipment stacks, and network infrastructure as part of TS capital and operational initiatives.

Advanced Network Support

• Diagnose and resolve complex/critical network and wireless issues with a calm, solutions-focused approach.
• Monitor and tune network/voice hardware, respond to outages, and provide regular updates to leadership.
• Manage SNMP alerts, packet captures, and analysis for proactive issue mitigation.

Collaboration & Architecture

• Partner with senior network architects, management, and agency stakeholders on short- and long-term network strategies.
• Work closely with peer engineers on planning, installation, and refresh cycles for Cisco routing and switching environments.

Documentation & Handoff

• Perform and document backups, recovery procedures, and ensure all documentation is current and accurate.
• Provide clear, complete handoff packages to the Network Operations (break-fix) team.
• Create and maintain knowledge base articles, network diagrams, and capacity planning documentation.

Operational Tasks

• Monitor ServiceNow queue and troubleshoot complex break-fix issues as needed.
• Plan and coordinate staff moves requiring network adjustments.
• Identify and recommend process improvements, contributing to a culture of continuous improvement.

What You'll Bring
We're looking for candidates with strong hands-on networking experience, proactive ownership, and a collaborative mindset.
Preferred Skills & Tools

• CCNP or CCNA strongly preferred.
• Expertise with:
  • Routing protocols: OSPF/EIGRP/BGP
  • SolarWinds Orion & NCM
  • NetBrain
  • Cisco telephony & WebEx Cloud Calling
  • Packet capture/analysis tools
  • Palo Alto firewalls
  • Cisco Security (FTD/FMC)
  • CUCM, Cisco voice systems
  • Vulnerability management, PCI/CJIS/HIPAA considerations
  • Copper/fiber troubleshooting and network design
• Strong documentation and change-record creation skills.
• Hybrid work capability and highly collaborative team mentality.

Minimum Qualifications

• Education requirement: Bachelor's Degree in Computer Science, Information Systems, Business Administration, Mathematics or a related field.
• Experience Requirement: Three (3) years of professional Information Technology experience installing, maintaining, and/or modifying network operating systems to include both software and hardware.
• Education/Experience Equivalency: One (1) year of the appropriate type and level of experience may be substituted for each required year of post-high school education.
• Additional appropriate education may be substituted for the minimum experience requirements.
• License/Certifications: Must obtain Criminal Justice Information Services (CJIS) clearance within the probationary period.

Application Deadline
This posting is expected to stay open until September 7th. Please submit your application as soon as possible and no later than September 7th at 11:59 p.m. MST.
About Everything Else
Job Profile
CI3567 IT Network Engineer Senior
To view the full job profile including position specifications, physical demands, and probationary period, click here.
Position Type
Unlimited
Position Salary Range
$93,566.00 - $154,384.00
Target Pay
$95,000.00 - $123,000.00/year, based on experience and education
Agency
Technology Services
Redeployment during Citywide Emergencies
City and County of Denver employees may be re-deployed to work in other capacities in their own agencies or in other city agencies to support core functions of the city during a citywide emergency declared by the Mayor.
The City and County of Denver provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, national origin, disability, genetic information, age, or any other status protected under federal, state, and/or local law.
It is your right to access oral or written language assistance, sign language interpretation, real-time captioning via CART, or disability-related accommodations. To request any of these services at no cost to you, please contact Jobs@Denvergov.org with three business days' notice.
Applicants for employment with the City and County of Denver must have valid work authorization that does not require sponsorship of a visa for employment authorization in the U.S.
For information about right to work, click here for English or here for Spanish.