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155 network system engineer jobs at 79 companies in Centennial, CO

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Network System Engineer
Golden, Colorado, United States
$115k-$140k/yr HybridFull Time
Colorado 811
Colorado 811: A non-profit notification center for underground utility damage prevention.
8+ YOE8+ years network/system engineering experience, bachelor\u0002s degree required, cloud and on-prem expertise (Azure/AWS/GCP), Active Directory/Intune experience, scripting (PowerShell/Python), API and security knowledge.
Windows, Mac, Linux, Azure, Google, AWS, Microsoft 365, JIRA, MS Teams, SharePoint, OneDrive, Dropbox, Smartsheet, Workato, Python, Power BI, SQL, JSON, XML, WSDL, OpenAPI, Swagger, PowerShell, Postman, SoapUI, Insomnia, Hoppscotch, VMWare, Hyper-V, Azure DevOps, MS Project, Trello, Five9, Intune, Active Directory
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1mo
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Principal Network Engineer
Denver or Alexandria or Seattle or Austin
$120k-$150k/yr OnsiteFull Time
Fleet Data Centers
Fleet Data Centers: Designs, builds, and operates mega-scale hyperscale data center campuses.
10+ YOE10+ years network engineering experience in fiber, telecommunications, or mission-critical environments; expertise with fiber optic systems, DWDM/CWDM, routing/switching, OT networks; experience with AutoCAD, Visio, GIS; travel up to 25%.
DWDM, CWDM, AutoCAD, Visio, GIS
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2mo
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Network Engineer
Boulder, Colorado, United States
$70k-$124k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOETS/SCI clearance and U.S. citizenship required; typically 1+ years experience and BS degree; design, build, test, and troubleshoot network systems; foundational routing/switching, Cisco Nexus/Catalyst, Wireshark, Splunk, Infoblox NetMRI, DISA STIG, Jira/Confluence.
Wireshark, Splunk, Infoblox NetMRI, Jira, Confluence, Red Hat, TACLANE, Cisco Nexus, Cisco Catalyst, Cisco NextGen Firewalls, ISE, F5, Juniper, DISA STIG, TACACS+
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2mo
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Sr Principal Network Engineer
Aurora, Colorado, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor's in STEM with 8+ years or Master’s with 6+ years; TS/SCI with full-scope polygraph; Security+ certified; 20% travel; experience with WAN/LAN, routers, switches, firewalls, load balancers; engineering and design of network systems.
Cisco routers, Cisco switches, firewalls, load balancers, Linux, Windows, COMSEC equipment
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1d
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Network Operations Engineer, Network (English)
Thornton, Colorado, United States
$104k-$148k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
2+ YOEBachelor's in network/telecom or equivalent,2+ years experience in DWDM/TCP/IP or system design,EM S/NMS and Unix/Linux familiarity,ability to work rotating 24/7 shifts,fluent English.
DWDM, TCP/IP, EMS/NMS, Unix, Linux, OSPF, IS-IS, BGP, MPLS
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6d
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System Development Engineer, AI/ML (Accelerator) Server
Seattle or Denver or Cupertino
$129k-$175k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
5+ YOE5+ years professional experience in software and systems engineering with networking, storage, OS, and driver debugging; proficiency in modern languages and Linux; experience designing scalable, reliable systems.
Python, Ruby, Java, C++, C, C#, Golang, PowerShell, CI/CD, Linux
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3mo
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Engineer-Network Systems
Colorado Springs, Colorado, United States
$132k-$160k/yr OnsiteFull Time
Chenega Corporation
Chenega Corporation: Provides professional government, defense, and facility support services.
5+ YOEBachelor’s degree preferred; 5+ years in network and systems engineering; DoD 8140 IAT II; MS Server, Unix/BSD, IDS/IPS certs; Secret clearance with ability to obtain Top Secret.
Cisco Networking, VMware, KVM, Windows Server, Linux, STIG, SRG, ACAS, IDS/IPS, Backup and Disaster Recovery
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2w
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Network Operations Engineer II
Denver, Colorado, United States
$73k-$115k/yr OnsiteFull Time
Astreya
Astreya: Provides managed IT services and digital workplace solutions for enterprises.
3+ YOE3+ years network operations experience with IP or Optical networks; expertise in Layer 0/1 troubleshooting, monitoring tools, ticketing systems, and strong communication and documentation skills.
SolarWinds, Nagios, PRTG, ServiceNow, Jira
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3w
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Sr. Network Systems Engineer
Denver or Littleton
$182k-$254k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
10+ YOEDesign and verify FPGA firmware for secure communications; Bachelor's in EE/CE; 10+ years FPGA firmware experience; proficiency in VHDL/Verilog/SystemVerilog and FPGA toolchains; ability to obtain U.S. government security clearance.
VHDL, Verilog, SystemVerilog, Xilinx Vivado, Intel Quartus, AXI, PCIe, SpaceWire, Ethernet, DO-254
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2mo
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Network Timing Engineer
Denver, Colorado, United States
$105k-$231k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
10+ YOETS/SCI w/ poly required, Bachelor's or equivalent, 10+ years experience, advanced knowledge of TCP/IP and OSPF, Cisco/Juniper enterprise equipment, NTP and IRIG-B timing systems, GPS receivers, RS-232/422/485/coax/twinaxial cabling, network security, and monitoring tools.
TCP/IP, OSPF, NTP, IRIG-B, IRIG-B generators, Cisco, Juniper, GPS receivers, RS-232, RS-422, RS-485, Coax, Twinaxial, ITIL
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3mo
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Network Engineer II
Dallas or Huntington Beach or Phoenix or Colorado Springs
$80k-$90k/yr HybridFull Time
Confie
Confie: Distributes personal and small commercial insurance products nationwide.
5+ YOE5+ years LAN/WAN engineering; Cisco routing/switching; CCNA; CCNP preferred; BS in Computer Information Systems or related field; strong troubleshooting; willing to work outside normal hours.
Cisco, SolarWinds, Auvik, ServiceNow, SD-WAN, Firepower, VPN, Firewall
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3mo
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Sr Network & Systems Engineer
Englewood, Colorado, United States
$92k-$111k/yr HybridFull Time
Craig Hospital
Craig Hospital: Specialized neurorehabilitation and research for brain and spinal injuries.
5+ YOE5+ years IT and network management experience; Bachelors in computer-related field preferred; strong TCP/IP, AD, DNS, firewall, and Cisco skills; Microsoft Exchange and Citrix experience preferred.
Cisco, Cisco Unified Communications Manager (CUCM), Unity Connection, Contact Center Express, Unified Attendant Console, IM & Presence, Microsoft Active Directory, DNS, Microsoft Exchange, Citrix, TCP/IP, KVM
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3mo
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Network and Infrastructure Architect
Carlsbad or Germantown or Englewood
$142k-$264k/yr HybridFull Time
Viasat
ViasatNASDAQ: VSAT: Provides global satellite broadband and secure networking communication services.
8+ YOE8+ years in systems engineering, networking and infrastructure; cloud and on-prem expertise; security-focused design; experience with public cloud, Kubernetes/OpenStack; collaboration.
Kubernetes, OpenStack, Cloud, Infrastructure Automation, Networking
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3mo
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Network and Infrastructure Architect
Carlsbad or Germantown or Englewood
$142k-$224k/yr HybridFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
8+ YOE8+ years in systems engineering, networking, and infrastructure; cloud and on‑prem; Kubernetes/OpenStack experience; automation; strong communication; leadership in complex projects; US citizenship; travel up to 10%; willing to come to office 3x/week.
Kubernetes, OpenStack, Cloud, Networking, Server hardware, Automation, Monitoring, IAM
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2w
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Senior Manager Network Engineering, Lab Infrastructure and Test Engineering
Denver, Colorado, United States
$139k-$185k/yr HybridFull Time
Lumen Technologies
Lumen TechnologiesNYSE: LUMN: Provides network, cloud, and security services for enterprise customers.
10+ YOELead lab and test engineering teams; 10+ years network/systems engineering; bachelor\u0002s degree; expertise in IP networking, network hardware, Linux, lab design, hardware integration, and team leadership.
Keysight, Spirent, Ixia, TraceSpan, Viavi, Ansible, Python, Linux
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3mo
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Network Architect
Boulder, Colorado, United States
$75k-$170k/yr OnsiteFull Time
Acuity Innovations
Acuity Innovations: Provides engineering and cybersecurity services for defense missions.
6+ YOE6+ years as network or data center systems engineer; 3+ years in network architecture; TS/SCI or Top Secret/SCI clearance; Bachelor's degree; certifications such as Network+, Security+, CISSP, CCNA, CCNP; experience with IPv4/IPv6, QoS, MPLS, BGP; OSI model knowledge; network security and cryptography basics.
IPv4, IPv6, QoS, MPLS, BGP, MS Visio, cryptography
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2w
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Sr. Manager, Network Engineering – Data Centers
Redwood City or San Diego or Denver
$160k-$190k/yr HybridFull Time
SB Energy
SB Energy: Develops, builds, and operates utility-scale renewable energy infrastructure.
10+ YOEBachelor's in engineering or related field,10+ years network/data center engineering experience,experience with large-scale fiber and telecom systems,PE preferred,ability to manage consultants and travel as required.
BICSI, ANSI/TIA, IEEE
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2w
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Senior Manager Network Engineering, Lab Infrastructure and Test Engineering
Denver, Colorado, United States
$139k-$185k/yr HybridFull Time
Lumen Technologies
Lumen TechnologiesNYSE: LUMN: Providing global enterprise telecommunications and network connectivity services.
10+ YOEBachelor's degree and 10+ years in network/systems or lab/test engineering; deep expertise in IP networking, routing, network hardware, Linux, lab design and hardware integration; leadership experience; familiarity with lab automation.
Keysight, Spirent, Ixia, TraceSpan, Viavi, Ansible, Python, Linux
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2mo
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Senior System Architect, Enterprise Reference Architectures
Santa Clara or Austin or Westford or Boulder
$208k-$380k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
12+ YOEBachelor's degree or equivalent; 12+ years software/infrastructure architecture experience, 3+ years microservices; expertise in GPU-accelerated systems, networking (InfiniBand, RDMA, RoCE, Ethernet), storage, Kubernetes/Docker, event-driven systems (Kafka, RabbitMQ), and cloud-native architectures.
Kafka, RabbitMQ, Kubernetes, Docker, PCIe, NVLink, InfiniBand, RDMA, RoCE, Ethernet
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2mo
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System Administrator/Cloud Engineer - Aurora, CO or Meridian, CO
Aurora or Meridian
$90k-$237k/yr OnsiteFull Time
ICR
ICR: Provides IT and security services
3+ YOETop Secret/SCI eligibility required; Kubernetes (K3s) experience; Linux admin; AWS Snowball Edge/Outpost; 3+ years system admin; DevSecOps pipelines; network protocols.
Kubernetes, AWS Snowball Edge, AWS Outpost, Linux, Bash, Python, Git, Ansible, Ingress controllers, Proxy server administration, NPE Certificate Management
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