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Tier Three Network Engineer Jobs in Colorado (NOW HIRING)

Leidos

Network Design Engineer

Aurora, CO · On-site

$92K - $166K/yr

Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2. * Experience specific to network engineering to include Tier III or higher network operations and/or network design and ...

COMFORT SYSTEMS

Sr. Tier III O&M Engineer

Aurora, CO · On-site

$92.30 - $166.85/hr

... Tier III operations and maintenance (O&M) engineer to support various WAN and LAN networks. The ... Configure, test, and maintain hardware, networking software, and operating system software.

New

Fabergent

Service Desk Engineer - Tier 3

Englewood, CO · On-site

Service Desk Engineer - Tier 3 Location: Englewood, CO Duration : Long Term Contract Provide third ... No Cable Modem trouble shooting just network side Track recurring CMTS issues and escalate to ...

Leidos

Sr. Tier III O&M Engineer

Aurora, CO · On-site

$92K - $166K/yr

... Sr. Tier III operations and maintenance (O&M) engineer to support various WAN and LAN networks ... Configure, and test hardware, networking software and operating system software * Review user ...

Leidos

Sr. Tier III O&M Engineer

Aurora, CO · On-site

$92K - $166K/yr

... Sr. Tier III operations and maintenance (O&M) engineer to support various WAN and LAN networks ... Configure, and test hardware, networking software and operating system software * Review user ...

Angsignal

Senior Network Engineer

Boulder, CO · On-site

$80 - $100/hr

ANG SIGNAL is looking for a Network Engineer to join our team supporting the federal government in ... Strong knowledge of Layer 2 and Layer 3 networking protocol/technologies * Experience with Aruba ...

Jobtailor

Senior Network Engineer

Boulder, CO · On-site

$120 - $160/hr

Participate in data calls and other operational and maintenance tasks Requirements * 8+ years experience in a Network Engineering role * 3+ years experience of Cisco ISE, Aruba wireless and Clearpass

New

UDR Inc

Network Engineer

Littleton, CO · Hybrid

$98K - $116K/yr

... beyond Tier 1 scope. 2. Configure and support network devices (switches, routers, firewalls ... controllers). 3. Troubleshoot and resolve connectivity issues, escalating complex items when ...

UDR

Network Engineer

Highlands Ranch, CO · Hybrid

$98K - $116K/yr

... beyond Tier 1 scope. 2. Configure and support network devices (switches, routers, firewalls ... controllers). 3. Troubleshoot and resolve connectivity issues, escalating complex items when ...

CACI International, Inc.

Network Engineer III

Denver, CO · On-site

$173K/yr

Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 25% Type of ...

UDR

Network Engineer

Highlands Ranch, CO · On-site

$98K - $116K/yr

... beyond Tier 1 scope. 2. Configure and support network devices (switches, routers, firewalls ... controllers). 3. Troubleshoot and resolve connectivity issues, escalating complex items when ...

UDR, Inc.

Network Engineer

Highlands Ranch, CO · On-site

$98K - $116K/yr

... beyond Tier 1 scope. 2. Configure and support network devices (switches, routers, firewalls ... controllers). 3. Troubleshoot and resolve connectivity issues, escalating complex items when ...

Google

Network Operations Engineer

Thornton, CO · On-site

Bachelor's degree in Network Engineering or Telecom Engineering, a related technical field, or equivalent practical experience. * 3 years of experience in telecommunications working with optical ...

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Tier Three Network Engineer information

How much does a Tier Three Network Engineer make?

A Tier Three Network Engineer typically earns between $80,000 and $120,000 annually, depending on experience, certifications, and location. They often work with advanced networking tools and may hold certifications like Cisco CCNP or CCIE.

What is a Tier Three Network Engineer?

A Tier Three Network Engineer is a senior-level IT professional responsible for troubleshooting complex network issues, designing network solutions, and supporting network infrastructure. They often work with advanced tools, protocols, and may hold certifications like Cisco CCNP or CCIE, typically operating in a team environment with a focus on network stability and performance.

What are popular job titles related to Tier Three Network Engineer jobs in Colorado?

For Tier Three Network Engineer jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Tier Three Network Engineer jobs in Colorado look for?

The top searched job categories for Tier Three Network Engineer jobs in Colorado are:

What cities in Colorado are hiring for Tier Three Network Engineer jobs?

Cities in Colorado with the most Tier Three Network Engineer job openings:

Tier Three Network Engineer jobs near you
Infographic showing various Tier Three Network Engineer job openings in Colorado as of August 2026, with employment types broken down into 75% Full Time, and 25% Contract. Highlights an 100% In-person job distribution.

Sr. Network Engineer

Applied Network Solutions Inc.

Denver, CO • On-site

$100K - $200K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 19 days ago

Job description

Who we are:
At Applied Network Solutions (ANS), we bring together some of the most curious minds in networking and cybersecurity. ANS was founded to disrupt the status quo. For over 25 years, our team provides expertise in network, system engineering and both offensive and defensive cybersecurity operations.
What we do:
Our vision is for a future in which talent and customers alike come to ANS because of our reputation for delivering technical excellence, solving our nation's toughest challenges and our ability to exceed expectations.
Why ANS:
At ANS we value the integrity of your work. We are looking for the right person to plan, analyze, design, develop, test, secure, integrate, implement, operate, and maintain the custom solutions that ANS delivers. Together, let's ensure today is safe and tomorrow is smarter.
ANS is seeking a Sr. Network Engineer to join our team in Denver, CO. This position is contingent upon contract award.
Requirements
Our team is completely replacing a global enterprise network while providing design, engineering, and transition for a wide range of customer network requirements. This is a unique and rare opportunity to build and transition critical operations to a modern service provider network architecture.
The job duties are as follows:
  • Interpret customer requirements and apply industry standard design approaches for service delivery. Fully document designs with diagrams, bill of materials, cabling sheets, configurations, ability to brief designs
  • Use our private test lab to evaluate new technologies and capabilities, test proposed changes to production networks, and recreate troubleshooting scenarios to support the production enterprise network.
  • Schedule maintenance windows for migrating user connections from legacy to the modern infrastructure transition services with little to no impact on critical data flows.
  • Provide technical expertise to Operations engineers and technicians, supporting fault isolation and resolution. Solve tough problems with innovative and scalable solutions.
  • Develop secure network designs including configurations that align with Defense Information Security Agency (DISA) Security Technical Implementation Guides (STIGs) and enterprise policies. Obtain Authority to Operate (ATO) for new devices, software, and capabilities.
  • Supervise (not manage) other network support specialists to plan, coordinate, and implement network services.
  • Develop and improve design products, processes, and systems for our team to work efficiently and effectively.

Requirements:
  • TS/SCI Poly
  • Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, master's and 10 years, bachelor's and 12 years, associates and 14 years or HS diploma and 16 years.
  • Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2.
  • Experience specific to network engineering to include Tier III or higher network operations and/or network design and implementation.
  • Working knowledge of Cisco, Brocade, and/or Juniper switches and routers
  • Proven experience implementing and troubleshooting routing protocols in a production network, OSPF, BGP, 802.1q
  • Understanding of DNS
  • Proven experience implementing and troubleshooting standard switching and in a production network, understanding of 802.1q, trunking, experience in a CAN/LAN environment.

Nice to Haves:
  • Network engineering and design experience with MPLS WANs, network management tools applications, and firewalls.
  • Expert knowledge of routing and switching protocols and the ability to demonstrate knowledge through briefings and documentation. Extensive BGP experience a plus.
  • Cisco Certified Network Professional (CCNP) or equivalent knowledge.

ANS offers excellent compensation along with a generous benefits package to include:
  • Family Medical, Dental (w/ adult orthodontia) and Vision coverage
  • Pet Discount Program
  • PTO (Paid Time Off)
  • Maternity/ Paternity Leave
  • Supplemental Military Leave Pay
  • 11 Paid Holidays
  • 401(k) plan with 6% Company Contribution
  • Generous Professional Development Program
  • 100% Employer paid Short- and Long-Term Disability
  • 100% Employer paid Life Insurance
  • Supplemental Whole Life Insurance
  • Lucrative Referral Bonus Program
  • Annual Allowance for ANS Swag
  • Potential for Paid Overtime
  • Flexible Work Schedules

As required by local law, Applied Network Solutions, Inc. provides reasonable salary ranges of compensation for work performed in applicable states. Ranges are not a guarantee of compensation and depend on a variety of factors, including but not limited to contractual requirements, work location, years of experience, skill set, and education. Overtime is not guaranteed for this position.
The anticipated pay range for this position is $100,000 - $200,000 USD.
Applied Network Solutions, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age or protected veteran status and will not be discriminated against on the basis of disability.

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