Network Engineer - Specialist E3 - Tier III O&M

Radix Metasystemsorporated; Aurora (CO); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Competitive wages

Employer-funded health premiums

6 weeks PTO

Professional development

Job summary

Radix Metasystemsorporated seeks Tier III O&M engineers to support WAN/LAN networks, upgrading configurations and serving as SME for WAN/LAN technologies. You will support NOC operations, supervise junior staff, and coordinate with architecture and implementation teams to ensure robust network performance.

The role emphasizes security, network optimization, and ongoing maintenance of complex enterprise networks in a government-facing environment. A TS/SCI clearance is required for consideration.

Qualifications

• U.S. Citizenship required.
• Active TS/SCI security clearance required.
• 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.

Responsibilities

• Supervise other network support and plan, coordinate, and implement network security measures.
• Develop and implement methodologies for LAN/WAN analysis, testing and support.
• Diagnose hardware and software problems and replace defective components.
• Monitor network performance and manage security posture.

Skills

Network design

Team leadership

Communication

Education

Bachelor's degree in STEM

DoD 8570 IAT Level 2

Tools

Cisco IOS

Juniper JUNOS

Brocade

Foundry OS

OSPF

BGP

MPLS

LSP

GRE

Visio

ServiceNow

Job description

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).

Responsibilities and Duties

• 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.

Qualifications

• 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 ServiceNow.

Physical Requirements

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

Benefits

• 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