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Network Engineer

Johnson Service Group

  • Manassas, VA
  • 5 days ago

    Highlights

    Configure and maintain Orion alerts, thresholds, interface monitoring, and network availability monitoring. Support VLANs, trunking, STP, routing, ACLs, DHCP, DNS, and related network services.

    Numbers & Facts

    LocationManassas, VA
    IndustryStaffing/Employment Agencies
    Company Size1,000 to 1,499 employees
    Year Founded1984
    Websitehttps://www.jsginc.com/

    Description

    Johnson Service Group is hiring for a NETWORK ENGINEER
    Location:Manassas, VA (20109) – on-site required.
    (On-site work at a data center as well as working from the designated office will be required.) - Remote work possible when situation arises, or sites closed.

    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.

    JSG offers medical, dental, vision, life insurance options, short-term disability, 401(k), weekly pay, and more. Johnson Service Group (JSG) is an Equal Opportunity Employer. JSG provides equal employment opportunities to all applicants and employees without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, marital status, protected veteran status, or any other characteristic protected by law.

    #D600

    About Company

    At JSG, We Understand People

    It is our mission to empower people, help our clients reach their goals, and hire motivated individuals.

    Since our start in 1984, we’ve worked hard to establish our present position as the most effective cross-industry staffing and consulting solution available.

    Headquartered in Chicago, IL with local offices throughout the United States and Canada, JSG proudly serves a diverse range of industries with the right solutions to help clients reach their company goals. Our client-centric approach enables us to create personalized solutions for businesses in need of top-tier talent.  Our dedication doesn’t stop at our clients. We strive to connect candidates with opportunities that match their skills and goals. More than just a go-between, we are a dependable bridge, uniting top talent with suitable opportunities, facilitating shared opportunities and growth.

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