Senior Network Engineer

Job ID: 113799
Location: Warren , Michigan  [Hybrid]
Category: Infrastructure
Employment Type: Contract
Date Added: 10/12/2026
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Role Summary
This position involves responding to and resolving complex network incidents within a large enterprise environment. The individual will support manufacturing, warehouse, and office locations across North America and globally, ensuring network stability and quick recovery from outages. The role requires a proactive approach to troubleshooting, incident management, and continuous technical development.

Responsibilities

  • Respond to and resolve high-priority network incidents, including P1 incidents requiring urgent attention and service restoration
  • Manage and escalate P2 and P3 incidents within the operational support queue
  • Troubleshoot network issues across OSI Layers 1 through 4, including hardware failures, connectivity issues, and software defects
  • Support and troubleshoot Layer 2 technologies such as VLANs, trunking, spanning-tree operations, and wireless connectivity
  • Diagnose Layer 3 routing issues, including IP addressing, inter-VLAN routing, WAN connectivity, and BGP operations
  • Analyze Layer 4 connectivity problems involving TCP, UDP, firewalls, and application reachability
  • Support SD-WAN and troubleshooting activities using Cisco vManage and related tools
  • Investigate site outages and node failures to identify root causes and execute corrective actions
  • Collaborate with service providers and internal teams to resolve WAN and circuit-related problems
  • Participate in daily operational reviews, incident tracking, and escalation procedures, supporting a high-volume network environment

Qualifications

  • CCNP certification
  • 6+ years of enterprise network engineering, network operations, or incident response experience
  • Strong hands-on troubleshooting experience in large enterprise environments
  • Deep understanding of TCP/IP fundamentals and the OSI model
  • Knowledge of troubleshooting Layer 2 and Layer 3 networking issues, including VLANs, STP, BGP, and WAN technologies
  • Experience supporting Cisco enterprise networking environments and hardware/software failures
  • Ability to interpret logs, interface statistics, routing data, and telemetry
  • Familiarity with network security concepts, including firewalls and zero-trust environments
  • Excellent communication and customer service skills
  • Relevant education, training, certifications, or equivalent practical experience
  • Availability to work on a hybrid schedule with at least 3 days onsite each week in Warren, MI, and participate in an on-call rotation

Publishing Pay Range: $58.00 – $60.75 Hourly

This position offers a hybrid schedule, with time split between the office and remote work.

About GDH:
At GDH, we believe in the power of people and the importance of caring. Our culture statement, “We care about people,” isn’t just a tagline – it’s the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs.

Who We Are:
GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women’s services, we pride ourselves on our commitment to quality and service.

GDH Benefits

GDH offers a range of employee benefits that are designed to promote well-being and help maintain a healthy work-life balance. These comprehensive benefits cover various aspects of an employee’s life and aim to enhance their overall experience with the company. Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services. Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans. Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!  For more detailed information on benefits, please go to GDH’s website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department.

Please visit our notice of collection for California applicants.

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