Network Engineer - Specialist E3 - Tier III O&M

Job Overview

Tier III operations and maintenance (O&M) engineers to support the customer’s various WAN and LAN networks, providing network upgrades and configuration support to the architecture team. Serve as a subject‑matter expert in WAN and LAN technologies and vendors, support intra‑ and inter‑net data communications systems, and provide tiered support for network operations centers (NOC).

• Supervise other network support and client‑server specialists and plan, coordinate, and implement network security measures.
• Participate in the evaluation of new network technologies and make recommendations to the network architecture team regarding integration into the existing network.
• Develop and implement methodologies for analysis, testing, and support of LAN and WAN networks.
• Diagnose hardware and software problems, and replace defective components.
• Support operations, maintenance activities, and administer networks including hardware, systems software, applications software, and configurations.
• Monitor the performance of systems and networks.
• Support routine network startup and shutdown procedures and maintain control records.
• Configure, test hardware, networking software, and operating system software.
• Prepare technical proposals for presentation to engineering review boards for adding new technologies to the network.
• Perform upgrades in accordance with existing network architecture.
• Review user requests for upgrades or additions, assess impact on performance, and advise on the most practical technical approach.
• Perform long‑term O&M activities, including tier 3 troubleshooting and problem resolution.
• Utilize complex network analysis tools to identify and correct problems while maintaining logs and records.
• Prepare troubleshooting procedures for restoring network performance.
• Provide fault management for the network and support performance management functions.
• Respond, isolate, and resolve network troubles; monitor alarms and alerts for network degradation or failure.
• Execute reporting functions and data input associated with network management.
• Monitor network security posture, 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 (traffic, connect time, transmission speeds, packet sizes, throughput); recommend procurement, removals, and modifications.
• Optimize network topologies and site configurations; plan installations, transitions, and cutovers.
• 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 IT skills in analysis, specification, development, integration, and acquisition of open systems for Information Management (IM) applications.
• Ensure systems and applications comply with open systems architecture standards, reference models, and profiles such as the IEEE OSE reference model.
• Evaluate and recommend COTS applications and methodologies for interoperable, portable, and scalable IT solutions.

• 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 a degree.
• Must meet DoD 8570 IAT Level 2 certification requirements.
• Strong interpersonal, verbal, and written communication skills.
• Ability to work effectively with all levels of management and individual contributors on the program team.
• Layer1 and Layer2 network experience.
• Network configuration and troubleshooting experience.
• Knowledge of Cisco IOS, Juniper JUNOS, Brocade, and Foundry OS.
• Familiarity with Layer3 protocols such as OSPF, BGP, VRRP, HSRP, MPLS, LSP, GRE.
• Familiarity with Viso and Service Now.

• Prolonged periods sitting at a desk and working on a computer.
• Must be able to lift up to 50pounds at times.

• Competitive wages.
• Medical, Dental, and Vision premiums 100% employer‑funded.
• Short‑term, long‑term disability, and life premiums 100% employer‑funded.
• Company‑funded retirement plan of up to 25% of base salary.
• 6 weeks of paid time off (PTO).
• Professional development and educational benefits.
• Small company culture and relaxed flexible work environment.

Location:

Aurora, CO 80011