Mid to Senior Level Network Engineer; Cisco focus
Listed on 2026-02-16
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IT/Tech
Systems Engineer, Cybersecurity
Mid to Senior Level Network Engineer (Cisco focus)
To be considered for this role, you must be a US Citizen with an active US government security clearance. Additionally, you must either live near or be willing to move to the Boulder, CO area.
About CentilCentil represents the intersection of innovation and trusted expertise required for keeping rapid pace with the dynamic and emergent technological needs of Aerospace, Defense, and Government systems. Our trusted team of engineers excel in deploying value stream management, short-cycle feedback loops, infrastructure on-demand, and secure, disciplined pipelines to our customers. If you are interested in learning more about Centil or our team, check out our website til.io.
Centil is a talented team of trusted engineers working to provide optimized and effective technology value streams for defense industry clients. We believe in a culture of innovation, empowerment and collaboration. We place a high value on learning and growth, providing ongoing support to our team to learn new skills and become fulfilled in both their personal and professional life.
Centil is hiring exceptional individuals to join our growing team. We look for candidates who are inspired and passionate, highly collaborative, and who demonstrate the courage to challenge the status quo with forward thinking ideas and practices. We also seek out individuals who demonstrate servant leadership by supporting their colleagues with a sense of positivity, humility and open mindedness.
About the roleThis position is for a Network Engineer in Boulder, CO. You will be working closely with a talented team to assist in the design, configuration, testing, implementation and oversight of the computer networks that support our customers mission critical systems. You will also have the opportunity to grow and sharpen your skills with other talented members of Centil.
Please note:
this role is required to be onsite in Boulder, details can be discussed during the interview process.
- Design, implement, and support secure, high performance LAN, WLAN, and WAN networks
- Install, configure, and maintain network devices and infrastructure
- Monitor network performance, availability, and system health
- Troubleshoot and resolve escalated infrastructure and network issues
- Automate routine tasks and assess effectiveness
- Provide technical guidance and mentorship to team members
- Implement and test security controls, including access management and disaster recovery
- Partner with users to deliver effective network solutions
- Optimize network performance, scalability, and capacity
- Maintain clear and accurate technical documentation
- Act as a customer facing technical resource and support additional duties as needed
- 8+ years of network engineering or administration experience
- Expertise in data center network design, including spine leaf architecture
- CCIE Data Center or CCNP (CCIE strongly preferred)
- Strong knowledge of TCP/IP, BGP, OSPF, and OSI layer troubleshooting
- Experience supporting LAN, WAN, firewalls, DNS, VLANs, IP addressing, and VPNs in on premises, cloud, and hybrid environments (AWS, Azure)
- Solid understanding of network security, authentication (TACACS, RADIUS), and access controls
- Working knowledge of SANs and Fibre Channel environments;
Dell or Brocade experience a plus - Familiarity with network operating systems (Cisco IOS preferred), and network monitoring tools.
- Proficiency with Linux and Windows systems
- Strong troubleshooting, organizational, mentoring, and communication skills
- Ability to work independently with strong attention to detail
- 5+ years of hands on experience with Dell switches, servers, and SAN environments
- Security+ certification
- 5+ years of experience configuring and maintaining NAS and/or SAN systems
In addition to job-specific requirements, Centil believes it is important for all employees to possess the following skills/characteristics:
- Strong communication (written and verbal) and presentation skills. Ability to passionately deliver high-level messaging to various types of audiences--this will eventually include senior…
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