network engineer senior Jobs in denver, co

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Network Engineer Senior

Mass General Brigham

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Remote or Needham, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated At Mass General Brigham, we know it takes a surprising range of talented professionals to advance our mission-from doctors, nurses, business people and tech experts, to dedicated researchers and systems analysts. As a not-for-profit organization, Mass General Brigham is committed to supporting patient care, research, teaching, and service to the community. We place great value on being a diverse, equitable and inclusive organization as we aim to reflect t
Posted 60+ days ago | Updated 5 hours ago

Sr. O&M Network Engineer

Leidos

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Aurora, Colorado, USA

Full-time

Description The Digital Modernization Sector at Leidos is seeking a Sr. O&M Network Engineer to support the customer's various wide area networks (WANs) and local area networks (LANs). This position will provide routing and boundary protection to an enterprise level infrastructure across multiple classifications and act as subject matter experts in routing and boundary technologies across multiple vendors. The job duties of Tier O&M Network Engineer are as follows: Tier O&M of Juniper and Cis
Posted 6 days ago | Updated 15 hours ago

Senior Network Engineering Lead

TEKsystems c/o Allegis Group

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Aurora, Colorado, USA

Full-time

Description Responsibilities: Support the installation, integration, and testing of Commercial-Off-The-Shelf (COTS) and custom equipment used to further research efforts on superconducting microelectronic devices. Identify, troubleshoot, and remediate equipment issues to support system build-out and sell-off. Support the existing network to maintain connectivity and support large intel distribution Collaborate with the government customer to ensure that requirements and deliverables are met Addi
Posted 1 day ago | Updated 2 hours ago

Senior Network Engineer

Lockheed Martin Corporation

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Littleton, Colorado, USA

Full-time

Job Description As we enter a new era of Strategic Weapon Systems, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women are on a mission to make a difference in the world and every single day we use our unique skills, talents and experiences to design and build solutions to some of the world's hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible produc
Posted 28 days ago | Updated 5 hours ago

Senior Network Engineer I

DigitalOcean

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Denver, Colorado, USA

Full-time

We want people who are passionate about building huge scale networks on the Internet. We are looking for a Senior Network Engineer to join the existing network engineering team, working with the infrastructure group. Reporting to the Manager of Network Engineering, the Network Engineer will be part of a team that is designing, implementing and maintaining the DigitalOcean network from the Internet edge to the hypervisor connections. Our networks need to be massively scalable, and enable systems
Posted 52 days ago | Updated 5 hours ago

Senior Network Engineer: Infrastructure

DigitalOcean

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Denver, Colorado, USA

Full-time

We want people who are passionate about building huge scale networks on the Internet. We're looking for a Senior Network Developer who's excited about building highly scalable networks designed for high-performance GPU and AI workloads. We work with other infrastructure and engineering teams to ensure new products and features have scalable network architectures and will provide the performance our customers require. If you're looking for a fulfilling challenge working with advanced equipment a
Posted 49 days ago | Updated 5 hours ago

Senior Network Reliability Engineer - Circuit Ops (Optical)

Oracle Corporation

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Denver, Colorado, USA

Full-time

Job Description The network operations center is responsible for repair and network availability on all of OCI's global network. The resources on this team will support the Tier 1 GNOC as an escalation resource, with additional focus on general network availability of the optical network. Required Experience: Infinera line system & optical line protection Cisco line system & optical line protection Arista or other datacenter switch experience ZR tunable optics experience Understanding of fiber
Posted 25 days ago | Updated 5 hours ago

Sr. Network Engineer with CCIE

Precision Technologies Corp

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Littleton, Colorado, USA

Third Party, Contract

Sr. Network Engineer with CCIE (F2F Mandatory) Littleton, CO, 80162] Skills 5G Core Function/Feature Testing Description 8+ years of experience with CCIE certificationWorking experience in dynamic configuration changes, MPLS, Inter VLAN routing, Switching.IP PlanningBGP, OSSEnterprise level new data center connectionVLAN connectivity between different VLANsIf service provider side, MPLS Label switching, L3 VPN, L2 VPN Source based routing knowledge
Easy Apply
Posted 21 hours ago

Senior Network Engineer

The Doyle Group

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Littleton, Colorado, USA

Full-time

Who We Are Founded in 2009, The Doyle Group is a leading IT consulting and placement firm focused on building high-performing technology teams. With a vision to be the most client-centric firm in the industry, we connect exceptional talent with great organizations through a consultative, relationship-first approach. We specialize in contract, contract-to-hire, direct hire, and executive search services, with deep expertise across areas like Program & Project Management, Data & Analytics, Change
Easy Apply
Posted 7 days ago

Sr. Network Engineer-Troubleshooting (NEIII)

Unison Systems, Inc

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Littleton, Colorado, USA

Full-time

Sr. Network Engineer-Troubleshooting Unison Systems is looking for a Sr. Network Engineer with Troubleshooting experience working on the Distribution Network for a Broadband Service Provider for our national telecommunications client. This will be a long-term month contract. Our client is located in Englewood, CO and offers 1 remote day a week. Candidates must be local as we frequently need to physically touch hardware inside of the lab. Cable industry and lab experience is a must have. This per
Posted 60+ days ago | Updated 2 hours ago

Sr. Network Engineer with CCIE Certified

Orpine.com

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Littleton, Colorado, USA

Full-time

JOB DESCRIPTION: 8+ years of experience with CCIE certificationWorking experience in dynamic configuration changes, MPLS, Inter VLAN routing, Switching.IP PlanningBGP, OSSEnterprise level new data center connectionVLAN connectivity between different VLANsIf service provider side, MPLS Label switching, L3 VPN, L2 VPNSource based routing knowledge
Easy Apply
Posted 3 days ago

Sr. O&M Network Engineer

Leidos

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Aurora, Colorado, USA

Full-time

The Digital Modernization Sector at Leidos is seeking a Sr. O&M Network Engineer to support the customer's various wide area networks (WANs) and local area networks (LANs). This position will provide routing and boundary protection to an enterprise level infrastructure across multiple classifications and act as subject matter experts in routing and boundary technologies across multiple vendors. The job duties of Tier O&M Network Engineer are as follows: Tier O&M of Juniper and Cisco routers
Posted 60+ days ago | Updated 5 hours ago

Network Orchestration Engineer, Senior

Leidos

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Remote

Full-time

Leidos is seeking a Sr. Network Management Engineer (Orchestration Engineer) to join our AGUN migration team. PROGRAM SUMMARY: The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role is remote and will include leadership of operations support staff and directing operatio
Posted 33 days ago | Updated 5 hours ago

Network Infrastructure Engineer (Senior)

Leidos

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Remote

Full-time

Leidos is seeking a Sr. Network Management Engineer (Infrastructure Engineer) to join our AGUN migration team. PROGRAM SUMMARY: The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role is remote and will include leadership of operations support staff and directing operati
Posted 33 days ago | Updated 5 hours ago

Senior Network Engineer

Lockheed Martin Corporation

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Boulder, Colorado, USA

Full-time

Job Description In this role with the NextGen GEO Operations & Sustainment team, you be responsible for the successful implementation, integration, and sustainment support of a multi-site classified network with a variety of locations and vendor hardware. Responsibilities for a Network Engineer include but are not limited to: - Configuration and management of Juniper and Cisco switches and routers, firewalls, and support to system administration team in deployment at new sites. - Support the d
Posted 60+ days ago | Updated 5 hours ago

Senior Network Engineer - onsite (Jackson Mississippi) - 6+ Months Contract

Dexperts Inc

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Remote

Contract

Job Details: Job Title: Senior Network Engineer Location: onsite (Jackson, Mississippi) Duration: 6+ Months Contract GENERAL SUMMARY OF JOB RESPONSIBILITIES The Principal Network Engineer is a strategic technical leader responsible for architecting and optimizing enterprise network infrastructure.This role oversees large-scale network design, contributes to IT and security architecture, and mentors technical teams.The Principal Network Engineer ensures network resilience, performance, and secu
Easy Apply
Posted 3 days ago | Updated 1 day ago

Senior Network Engineer

HYR Global Source Inc

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US

Full-time, Contract

Job Title: Senior Network Engineer Location: (Remote) Job Type: W2/ Full-Time About the Role We are seeking a Senior Network Engineer with strong expertise in cloud networking, security, and automation to implement secure, scalable infrastructure solutions in AWS. This is a hands-on implementation-focused role requiring solid scripting and firewall configuration skills, especially with Palo Alto in virtual/cloud environments. Must-Have Skills Strong experience with cloud networking
Easy Apply
Posted 16 hours ago | Updated 15 hours ago

Sr. Network Engineer

ConsultNet, LLC

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Remote or Beachwood, Ohio, USA

Full-time

Title: Sr. Network Engineer Location : Cleveland, OH Target Start Date : July 21, 2025 Type: CTH Pay Rate : $55/HR - $64/HR Selling Point on Client: Our client combines the stability of an industry leader with the energy of an organization that's constantly innovating. As part of their team, you won't just support networks, you'll shape them, working hands-on with modern technologies like Cisco ACI and SD-WAN to drive real business impact. It's a place where your expertise is valued, your id
Easy Apply
Posted 6 days ago | Updated 5 hours ago

Sr Network Engineer

Motorola Solutions

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Illinois, USA

Full-time

Company Overview At Motorola Solutions, we believe that everything starts with our people. We're a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. Our critical communications, video security and command center technologies support public safety agencies and enterprises alike, enabling the coordination that's critical for safer communities, safer schools, safer hospitals and safer businesses. Connect with a career that matters, and help us buil
Posted 10 days ago | Updated 5 hours ago

Sr. Network Engineer

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is hiring a Senior Network Engineer to join a high-impact infrastructure engagement. We're looking for a command-line junkie with strong opinions on BGP vs OSPF, who's lived through data center refreshes, and can troubleshoot asymmetric routing without breaking a sweat. If your idea of downtime is labbing up ISE policies or tuning RF profiles, we want to hear from you. Key Responsibilities: Owning and optimizing Cisco-driven routing, switching, and wireless across enterprise LA
Posted 28 days ago | Updated 17 days ago