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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # LEAD IT SYSTEMS ENGINEER - PUB SEC - **Company:** Lumen Inc - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Salary:** $145,456.0 - $193,940.0 - **Contract:** Permanent contract - **Skills:** IEEE 802.1Q, IEEE 802.1X, Access Control List, Data Analysis, Border Gateway Protocol, Computer Literacy, Ethernet, Hot Standby Router Protocol, Networking Hardware, IP Addressing, Internet Protocol Security (IP SEC), IPv4, IPv6, Virtual Private Networks (VPN), Multi-protocol Systems, Network Layer, Microsoft Office, Microsoft Visio, Multicasting, Network Architecture, Network Diagnostics, Routing, Packet Analyzer, Network Administration, Open Shortest Path First (OSPF), Regression Testing, Simple Network Management Protocols, Terminal Access Controller Access-Control System (TACACS), Test Data, Trivial File Transfer Protocols, Virtual Router Redundancy Protocols, Network Routers, File Transfer Protocol (FTP), Test Scripts, Firewalls (Computer Science), Information Technology, Resource Reservation Protocol (RSVP) - **Published:** June 29, 2026 - **Apply:** https://www.dice.com/job-detail/6a4a9375-9098-43c8-9771-565266850046 ## About the Role * Network Engineer, Network Administrator with expertise in Layer 2 and Layer 3 protocols and technologies: IS-IS, BGP/MP-BGP (multi AS) and MPLS routing protocols, Resource Reservation Protocol (RSVP), Label Distribution Protocol (LDP), MPLS Layer-2/Layer-3 Virtual Private Network (VPN), OSPF, Multicast, etc. * IPV4/IPv6 management protocols, Filter Based Forwarding (FBF) Multi-Hop Bidirectional Forwarding Detection (MBFD) Ethernet Operation, Firewalls including Access Control List (ACL), Operation Administration and Maintenance (OAM) Protocol and Network Management with 802.1Q and VRRP/HSRP Certificate Authority Server, ACE/SecureID Server, TACACS , RADIUS, FTP/SFTP/TFTP, SSH, NTP, SNMP * Proficient with security protocols: 802.1x, IPSEC, MACSEC, SSL/TLS, TACACS , RADIUS, etc. * Experience with router regression testing. * Experience writing technical documents. * Familiarity with COMSEC practices and cryptographic devices. * Proficient with test tools, e.g. Ethernet test sets, packet captures, protocol analyzers, and the ability to analyze test data. * Computer literate in MS Office apps and MS Visio. * Must possess considerable business acumen. * Ability to quickly adapt to advancing technologies and procedural changes. * Ability to coordinate and communicate effectively with other technologists and business partners to maintain high service levels in a demanding environment. * Ability to work well in a team environment. * Excellent verbal, written and analytical skills. Technical certifications * CCNA or JNCIA required. CCNP or JNCIP preferred. Education or Equivalent Experience * Bachelor's degree in an IT related field and at least six years of experience in enterprise network design. * 12 years of experience in lieu of degree. Other Requirements * TS/SCI security clearance required. * Occasional travel to customer locations for meetings. ## Description The Lead IT Systems Engineer is a Network Engineer responsible for analysis, design, installation, configuration, testing, maintenance, and repair of laboratory network infrastructure and applications with a focus on Layer 2/Layer 3 protocols and technologies to meet customer requirements within applicable standards and regulations., * Maintain health of laboratory network equipment, such as switches, routers, firewalls, and networking tools and applications. * Lead technical projects through its entirety: research, conceptualization, feasibility assessment, design, procurement, lab test and evaluation, implementation planning, training, documentation, and transition to the operational environment. * Create technical documents including network drawings, test plans, test reports, implementation plans, and white papers. * Collaborate in the design of the network enterprise including IP address schemes, routing/switching, segmentation, and security. * Serve as Tier III support for an enterprise network operations center through in-depth analysis of complex networking problems. * Provide mentoring and technical/engineering advice to junior engineers. * Knowledgeable in security requirements and techniques for protecting computer systems/networks from attacks, viruses, data tampering, unauthorized system entry, and other emerging threats. * Continue education/training in disciplines necessary to perform duties. * Any other duties as assigned by management., To review Lumen's Global Employment Applicant and Talent Community Privacy Notice, please visit: ;br> Disclaimer The job responsibilities described above indicate the general nature and level of work performed by employees within this classification. It is not intended to include a comprehensive inventory of all duties and responsibilities for this job. Job duties and responsibilities are subject to change based on evolving business needs and conditions. In any materials you submit, you may redact or remove age-identifying information such as age, date of birth, or dates of school attendance or graduation. You will not be penalized for redacting or removing this information. Please be advised that Lumen does not require any form of payment from job applicants during the recruitment process. All legitimate job openings will be posted on our official website or communicated through official company email addresses. If you encounter any job offers that request payment in exchange for employment at Lumen, they are not for employment with us, but may relate to another company with a similar name. ## Related Videos - [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [IP Authentication: A Tale of Performance Pitfalls and Challenges in Prod](https://www.wearedevelopers.com/videos/1413-ip-authentication-a-tale-of-performance-pitfalls-and-challenges-in-prod) - [IoT: The road to sustainability](https://www.wearedevelopers.com/videos/557-iot-the-road-to-sustainability) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) ## Related Articles - [From developer to manager – what does it take to become an engineering manager?](https://www.wearedevelopers.com/magazine/42-from-developer-to-manager-what-does-it-take-to-become-an-engineering-manager) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)