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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - Specialist E3 - Tier III O&M - **Company:** RADIX - **Location:** Aurora, CO, United States - **Experience:** Expert - **Salary:** $130,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Software Applications, Computing Platforms, Border Gateway Protocol, Configuration Management, Compilers, Complex Networks, Computer Networks, Databases, Data Transmissions, Hot Standby Router Protocol, Network Topologies, Information Management, Multi-protocol Systems, Network Layer, Network Configuration and Change Management, Network Architecture, Network Planning and Design, Network Monitoring, Network Administration, Open Shortest Path First (OSPF), Software Engineering, System Software, Utility Software, Virtual Router Redundancy Protocols, Hardware Testing, Information Technology, 3-tier Architectures, Servicenow - **Published:** July 31, 2026 - **Apply:** https://www.paycomonline.net/v4/ats/web.php/portal/2B8E3ACF81F2C26344D4374EA39F6D8F/jobs/1423 ## About the Role * U.S. Citizenship * Currently active TS/SCI security clearance issued by a U.S. Government Entity * U.S. Government Adjudicated Full-Scope or Counterintelligence polygraph * Minimum of 10 years of Network Design/Engineering experience * Bachelor's degree in a STEM discipline or equivalent work experience in lieu of degree * Must meet DoD 8570 IAT Level 2 certification requirements * Strong interpersonal, verbal and written communication skills * Ability to effectively work, and communicate, with all levels of management and individual contributors on the program team * Technical Qualifications: + Layer 1 and Layer 2 network experience. + Network configuration and troubleshooting experience. + Knowledge of Cisco IOS, Juniper JUNOS, Brocade and Foundry OS. + Familiar with Layer 3 protocols such as OSPF, BGP, VRRP, HSRP, MPLS, LSP, GRE. + Familiar with Viso and Service Now. Physical Requirements: * Prolonged periods sitting at a desk and working on a computer. * Must be able to lift up to 50 pounds at times. ## Description Expert/Leader Provide Tier 3 O&M support for WAN/LAN networks, perform upgrades, configure and troubleshoot hardware/software, monitor performance and security, support NOC escalations, develop testing and troubleshooting procedures, coordinate installations and configuration management, and recommend COTS/network technologies. The summary above was generated by AI Warning: Do not submit any sensitive, proprietary, or classified information in this system (including PII, FOUO/CUI). If your resume includes government program content, ensure all information has been cleared through the appropriate Prepublication Review process. Join Our Team! We seek the best talent and compensate accordingly. Radix is an inclusive workplace that fosters a professional, casual work environment and a leadership structure that enables collaboration and potential for employees to have daily impact on the Company's success., Tier III operations and maintenance (O&M) engineers to support the customer's various WAN and LAN networks, in providing network upgrades and config support to the architecture team; act as subject matter expert in WAN and LAN technologies and vendors; support customer's intra- and inter- net and other data communications systems or segments of networked system; and by Providing tiered support for the network operations centers (NOC)., * May supervise other network support and client server specialists and plan, coordinate, and implement network security measures. * Participate in evaluation of new network technologies and makes recommendations to network architecture team regarding the integration of these technologies into the existing network. Ensures that plans for hardware communications are adequate. Develops and implements methodologies for analysis, testing, and support of LAN and WAN networks. * Diagnose hardware and software problems, and replace defective components. * Support operations and maintain activities and administer networks including hardware, systems software, applications software, and all configurations. * Monitor the performance of systems and networks. * Support routine network startup and shutdown procedures and maintain control records. * Configure, and test hardware, networking software and operating system software. * Prepare technical proposals for presentation to the engineering review boards for adding new technologies to the network. * Perform a full range of upgrades in accordance with existing network architecture. * Review user requests for upgrades or additions to the network to assess impact on network performance and provide advice and guidance on the most practical technical approach to meeting user requirements. * Perform long term O&M activities to include tier 3 troubleshooting and problem resolution. * Utilize complex network analysis tools to identify and correct problems in the network while maintaining logs and records associated with reported problems or situations. * Prepare troubleshooting procedures for restoring the network to optimal performance levels. * Provide fault management for the network and supports performance management functions. * Respond, isolate, and resolve network troubles. Monitor alarms and alerts to identify network elements causing network degradation or failure. * Execute reporting functions and data input associated with network management. * Monitor security posture of the network, report suspected violations to designated authority. * Coordinate with configuration management and implementation teams. * Perform operator-level maintenance on components for network management systems. * Analyze network characteristics (e.g., traffic, connect time, transmission speeds, packet sizes, and throughput); recommend procurement, removals, and modifications to network components. * Optimize network topologies and site configurations. Plan installations, transitions, and cutovers of network components and capabilities. * Coordinate requirements with users and suppliers. * Organize and direct network installations on site surveys. * Assess and document current site network configuration and user requirements. * Maintain operating systems, communications software, data base packages, compilers, assemblers, and utility programs. * Apply software, hardware, and standards information technology skills in the analysis, specification, development, integration, and acquisition of open systems for Information Management (IM) applications. * Ensure these systems and applications are compliant with standards for open systems architectures, reference models, and profiles of standards - such as the IEEE Open Systems Environment (OSE) reference model - as they apply to the implementation and specification of IM solutions on the application platform, across the application program interface (API), and the external environment/software application. * Evaluate and recommend COTS applications and methodologies that can be acquired to provide interoperable, portable, and scalable information technology solutions. ## Related Videos - [Applying Agile Principles to Incident Management ](https://www.wearedevelopers.com/videos/101-applying-agile-principles-to-incident-management) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Just-in-time Compilation in JVM](https://www.wearedevelopers.com/videos/240-just-in-time-compilation-in-jvm) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Robots are coming into the wild! 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