109 cisco network engineer jobs at 56 companies in Castle Pines, CO

3d
Save
Mark Applied
Hide
Network Engineer
Denver, Colorado, United States
$100k-$185k/yr OnsiteFull Time
Applied Network Solutions: Providing cybersecurity and network engineering services for government agencies.
10+ YOERequires TS/SCI with polygraph, 10 years combined experience and education, DoD 8140 IAT Level 2 compliance, Tier III network engineering, and Cisco, Brocade, or Juniper configuration experience.
Cisco, Brocade, Juniper, Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), Virtual Local Area Networks (VLANs), 802.1q, MPLS, Cisco Certified Network Professional (CCNP), Juniper Networks Certified Internet Professional - Enterprise Routing and Switching (JNCIP-ENT)
2mo
Save
Mark Applied
Hide
Network Engineer
Colorado Springs, Colorado, United States
$77k-$124k/yr OnsiteFull Time
Apogee Engineering
Apogee Engineering: Delivers engineering and advisory services for national security missions.
7+ YOEUS citizen with TS clearance (willing to obtain SCI), CCNA/CCNP, Bachelor's in IT/CS or equivalent, 7+ years network engineering experience with Cisco/Juniper/Palo Alto, DISA STIGs and RMF familiarity.
SD-85, Cisco, Juniper, Palo Alto, DISA STIGs, RMF, SATCOM
3w
Save
Mark Applied
Hide
Industrial Network Engineer
St. Louis or Clayton or Abilene or Denver
OnsiteFull Time
Barry-Wehmiller
Barry-Wehmiller: Manufactures industrial machinery for packaging and paper processing.
3+ YOE3+ years networking experience in manufacturing, BS in relevant technical field or equivalent, strong network infrastructure and Cisco/Rockwell switch configuration skills, network certifications preferred.
Cisco, Stratix, Rockwell, Dell, HP, VMware, Hyper-V, Microsoft Office, Visio, AutoCAD, Cisco CLI, GNS3, SolarWinds, Network Manager, PLCs, SCADA
1w
Save
Mark Applied
Hide
Network Engineer III
Colorado Springs, Colorado, United States
$85k-$158k/yr FieldFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
3+ YOEThree years of network engineering experience; active Secret clearance, U.S. citizenship, valid passport, IAT Level II, CCNA or JNCIA, and experience with Cisco, Juniper, firewalls, routing, switching, and LAN/WAN networks.
Cisco, Juniper, Fortinet, Palo Alto, VLAN, OSPF, BGP, GRE, UDP, SONET, MSPP, TACLANE, WAN optimizers, optical transport equipment, Microsoft PowerPoint, Microsoft Visio, VMware NSX, vSAN, Aria, Ansible, STIG
2mo
Save
Mark Applied
Hide
Senior Network Engineer
Austin or Atlanta or Denver or Seattle or Mexico City
HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
Experienced large-scale network engineer with hands-on BGP/anycast, MPLS/Segment Routing, vendor OS (Juniper, Cisco, Arista), Python/TypeScript/Go, network automation (SaltStack, Ansible), LLM/AI agent development, incident response and on-call experience.
Python, TypeScript, Go, LLM, Workers AI, AI Gateway, MCP, SaltStack, Ansible, Juniper, Cisco, Arista, BGP, MPLS, Segment Routing, CWDM, DWDM, Linux
3w
Save
Mark Applied
Hide
Sr. Network Engineer
Redwood City or San Diego or Denver
$100k-$140k/yr HybridFull Time
SB Energy
SB Energy: Develops, builds, and operates utility-scale renewable energy infrastructure.
5+ YOEBachelor's degree or equivalent,5+ years network experience (preferably OT energy/data center),Azure networking, Palo Alto/Cisco experience, networking/security certifications, familiarity with NIST/ISA/IEC/NERC frameworks.
Microsoft Azure, Palo Alto Networks, Cisco, Dell Servers, Hyper-V, VMware, Kubernetes, Docker, SIEM, EPMS, BMS, NIST SP 800-82, ISA/IEC 62443, NERC CIP
3w
Save
Mark Applied
Hide
Senior Network Engineer
Colorado Springs, Colorado, United States
$144k-$176k/yr HybridFull Time
Sphinx Defense
Sphinx Defense: Develops software for secure satellite and space mission operations.
10+ YOE10+ years supporting enterprise or mission-critical networks, hands-on routing/switching, firewalls, Cisco experience, classified environment experience, TS/SCI eligibility, EM/security best practices, packet analysis, cloud networking.
Cisco, DNS, DHCP
1w
Save
Mark Applied
Hide
Network Engineer I
Broomfield or Colorado
$65k-$110k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
Requires a bachelor's degree in engineering or related technical field, Cisco OS experience, ability to obtain DoD 8570 certification, and eligibility to obtain Top Secret/SCI clearance with polygraph if required.
Cisco OS, Nexus OS, Palo Alto GUI, Juniper OS, F5 Load-balancers, Cisco IOS, DISA STIGs
1mo
Save
Mark Applied
Hide
Network Engineer - Level 2 or 3
Aurora, Colorado, United States
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive Top Secret/SCI with CI or full scope polygraph, CompTIA Security+ (or equivalent), multiple years network engineering experience with switching, routing, firewalls, cabling on CISCO/Juniper, and ability to support enterprise/classified networks.
CISCO, Juniper
3w
Save
Mark Applied
Hide
Sr. Principal Network Engineer (AHT)
Colorado Springs, Colorado, United States
$118k-$176k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEActive DoD Secret clearance, DoD 8140 IAT Level II or higher, 6–8+ years experience, expertise with Cisco networking, IPv4/IPv6, BGP/OSPF/EIGRP, and network management protocols.
CML, GNS3, Cisco IOS, Cisco Nexus, Firepower, TACACS+, Linux, Windows
1w
Save
Mark Applied
Hide
Network Engineer
Colorado Springs, Colorado, United States
$124k-$191k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
7+ YOETop Secret clearance with SCI eligibility, 7–9 years of experience, and a BS/BA required. Requires Cisco networking, VMware, LAN/WAN, automation, SDN, IaC, cybersecurity, and DoD systems expertise.
WAN, MAN, LAN, NIPRNet, SIPRNet, JWIC, SAP/SAR, SDN, Terraform, Ansible, VMware, Internet Protocol, Fiber Channel, Cisco, Python, Infrastructure as Code (IaC), CloudFormation, DISN, SPARTAN, CANES, ITIL, GitLab, Jira, Confluence, Agile, Agile XP, DevOps, DevSecOps, Kubernetes
3d
Save
Mark Applied
Hide
Network Engineer Associate
Colorado Springs or Colorado Springs
$70k-$85k/yr OnsiteFull Time
S2Technologies
S2Technologies: Provides IT and cybersecurity solutions to government agencies.
Bachelor's degree in a technical field, 3+ years of network operations or support experience, active Top Secret clearance, Cisco networking experience, DoD IT familiarity, and CompTIA Security+ certification.
Cisco CUCM, Cisco ISE, Cisco IOS, SolarWinds, Remedy, NIPRNet, SIPRNet, STIGs, TCNOs, NOTAMs, NTOs
2mo
Save
Mark Applied
Hide
Network Engineer III
Denver, Colorado, United States
$83k-$174k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOEActive TS/SCI clearance, 8+ years network/transport experience, 4+ years with large-scale enterprise/global networks, Cisco/Juniper and firewall/VPN expertise, protocol and network-analysis tool experience, IAT II certification.
Cisco, Juniper, Cisco Network Analysis Modules, SolarWinds Network Management, OPNET NetOne, HP Network Node Manager, Cisco Adaptive Security Appliance, NIPRNET, SIPRNET, JWICS, EIGRP, OSPF, BGP, IPv4, IPv6, Multicast, QoS, SDN, SNMP, VoIP, VTC
3mo
Save
Mark Applied
Hide
Network Engineer
Annapolis Junction or Aurora
$72-$111/hr OnsiteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
8+ YOERequires 8+ years of network engineering experience, network protocols and devices expertise, network security knowledge, high school diploma or GED, and TS/SCI clearance with polygraph.
TCP/IP, HTTP, DNS, DHCP, SNMP, VPN, LAN, WAN, SolarWinds, Wireshark, Nagios, Cisco
3w
Save
Mark Applied
Hide
Network Production Engineer
Denver or Bellevue or Menlo Park or Seattle or New York City
$154k-$217k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
6+ YOEBachelor's or equivalent,6+ years network engineering (design/architecture),4+ years coding (Python, Go, C++),multi-vendor device config,protocols BGP/OSPF/ISIS,experience integrating AI models into engineering workflows.
Python, Go, C++, Juniper, Cisco, Arista, Ciena, BGP, OSPF, ISIS, AI models, RADIUS, TACACS, SNMP, NETCONF, gNMI, IPSec, TCP/IP, IPv6
3mo
Save
Mark Applied
Hide
Principal Network Engineer
Denver, Colorado, United States
$160k-$180k/yr OnsiteFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
15+ YOE15+ years network engineering; 5+ years in service provider functions; routing/switching expertise; security tools experience; minimal travel; leads technical actions.
Cisco, Juniper, BGP, OSPF, EIGRP, Cisco ISE, Palo Alto
5h
Save
Mark Applied
Hide
Sr Network Engineer II
Englewood or Denver
$124k-$153k/yr OnsiteFull Time
Jeppesen
Jeppesen: Private aviation software providing flight planning, navigation data, and operations tools to pilots, airlines, and fleets.
7+ YOERequires 7+ years of network engineering experience, including 3+ years in a senior or lead capacity, Cisco, Palo Alto, F5, AWS, and Azure expertise, plus a bachelor's degree or equivalent experience.
Cisco, Palo Alto Networks, F5 BIG-IP LTM, F5 BIG-IP GTM, AWS, Azure, PAN-OS, Panorama, Cisco Catalyst, Cisco Nexus, Wireless LAN Controllers, Access Points, Cisco ISE, RADIUS, TACACS+, Route 53, DNSSEC, SolarWinds, Python, Ansible, Terraform, BGP, OSPF, QoS, HSRP, VRRP, VPCs, VNETs, Transit Gateway, Direct Connect, ExpressRoute, VPN Gateways, IPSec VPNs, SSL/TLS
2mo
Save
Mark Applied
Hide
Senior Network Engineer
Boulder, Colorado, United States
$96k-$136k/yr HybridFull Time
ANG SIGNAL
ANG SIGNAL: IT and engineering services provider for government and commercial sectors.
8+ YOE8+ years network engineering experience; 3+ years with Cisco ISE, Aruba, and Clearpass; hands-on Cisco routers/switches; Layer 2/3 expertise; firewall and Fortinet experience preferred; strong communication; bachelor's degree desirable; subject to government security investigation.
Cisco ISE, Aruba, Clearpass, Cisco routers and switches, Fortinet
1w
Save
Mark Applied
Hide
IT Network Engineer
El Segundo or Chantilly or Colorado Springs
$120k-$203k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
10+ YOEBachelor's degree and 10+ years of enterprise network operations experience; Staff V requires 15+ years. Requires active TS/SCI, U.S. citizenship, Cisco networking expertise, and Security+ CE or CISSP.
Cisco SDWAN, Cisco IWAN, ASR, ISR Routers, Cisco Firewalls, MPLS, Internet, Cisco ACI, Nexus Dashboard, Cisco Firepower Firewalls, Cisco ASA Firewalls, Cisco Catalyst Center, DNA Center, KG-175F, EIGRP, BGP, Cisco Wireless LAN Controllers
1mo
Save
Mark Applied
Hide
Network Engineer (TS/Q Clearance required)
Washington or Albuquerque or Germantown or Denver
$111k-$150k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
12+ YOEUS citizen with 12+ years network engineering experience; expertise with Cisco routers/switches/firewalls, routing protocols (BGP, OSPF, EIGRP), and network security; DOE Q or TS clearance required; bachelor’s degree or equivalent.
Cisco Routers, Cisco Switches, Cisco Technologies, Network Firewalls, Juniper, Palo Alto, BGP, OSPF, EIGRP, STP, RSTP, VXLAN, LACP, Microsoft DNS, Unix BIND, DISA STIGs