Network Engineer

Network Engineer

Location: Manassas, VA, US

Job ID: ATR 18087

Job Description

Job Title: Network Engineer

Job Location: Manassas, VA

Eligibility/Clearance: Must be US Citizen or Green Card Holder

Key Responsibility

• Support and troubleshoot Cisco enterprise network infrastructure.

• Configure, maintain, and troubleshoot Layer 2 and Layer 3 switches.

• Support VLANs, trunking, STP, routing, ACLs, DHCP, DNS, and related

network services.

• Monitor network devices, interfaces, links, and performance using

SolarWinds Orion.

• Configure and maintain Orion alerts, thresholds, interface

monitoring, and network availability monitoring.

• Investigate network alerts, outages, packet loss, latency, interface

errors, and performance degradation.

• Perform switch configuration, firmware/software upgrades, backups,

and routine network maintenance.

• Troubleshoot LAN/WAN connectivity and end-user network issues.

• Support network changes through established change-management

processes.

• Maintain network diagrams, device inventories, configurations, and

technical documentation.

• Assist with network refreshes, equipment replacement, deployments,

and infrastructure projects.

• Coordinate with infrastructure, cybersecurity, service desk,

vendors, and other technical teams as required.

• Respond to operational incidents and participate in troubleshooting

and root-cause analysis.

• Ensure assigned tasks and incidents are completed independently with

appropriate documentation and follow-through.

Required Qualifications

• 3–5+ years of hands-on enterprise networking experience.

• Strong experience with Cisco switches and enterprise network

infrastructure.

• Solid understanding of Layer 2 and Layer 3 networking.

• Experience with VLANs, STP/RSTP, trunking, EtherChannel, TCP/IP,

subnetting, and routing.

• Working knowledge of routing protocols such as OSPF and BGP.

• Hands-on experience with SolarWinds Orion or a comparable network

monitoring platform.

• Strong network troubleshooting and diagnostic skills.

• Experience working within incident, problem, and change-management

processes.

• Ability to independently manage assigned work and troubleshoot

issues through resolution.

Preferred Qualifications

• CCNA or CCNP certification.

• Experience supporting Cisco Catalyst switching environments.

• Experience with firewalls, wireless networking, VPNs, and WAN

technologies.

• Familiarity with SolarWinds NPM/NCM and network configuration

management.

• Experience supporting highly available or critical infrastructure

environments.

• Familiarity with cybersecurity practices, network segmentation, and

access controls.

• CISCO Next-generation Firewall (NGFW)

EDUCATION REQUIREMENTS

• Bachelor’s degree in computer science, computer networks, or a

related field.

• Certification in related fields (CCNA, CCNP) required. Security and

Cisco Certified Internetwork Expert (CCIE), a plus.

Arena Technical Resources, LLC, (ATR) is an Equal Opportunity Employer

(EOE) who will provide equal employment opportunity to employees and

applicants for employment without regard to race, ethnicity, religion,

color, sex, pregnancy, national origin, age, veteran status, ancestry,

sexual orientation, gender identity or expression, marital status,

family structure, genetic information, or mental or physical disability

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