Overview We are seeking a Mid-Level Network Administrator to support enterprise network operations in a mission-critical environment. This role is responsible for maintaining, troubleshooting, upgrading, and optimizing network infrastructure while ensuring secure and reliable connectivity for end users. The ideal candidate will have hands-on experience with Cisco networking technologies, routing and switching protocols, and enterprise network administration. Responsibilities + Design, implement, and support enterprise network infrastructure. + Troubleshoot network outages and performance issues involving routing, switching, and WAN connectivity. + Install, configure, and maintain Cisco routers, switches, and related network equipment. + Monitor network health, performance, and availability. + Support network modernization, upgrades, and hardware refresh initiatives. + Perform network maintenance, configuration management, and system documentation. + Assist with testing, integration, and deployment of new network solutions. + Ensure compliance with cybersecurity requirements and network security controls. + Coordinate installation and maintenance activities with internal stakeholders. + Participate in troubleshooting efforts to quickly resolve operational issues. Required Qualifications + Active Secret Clearance. + Security+ certification. + Minimum 6 years of IT experience, including at least 4 years of network administration experience. + Experience supporting enterprise network environments. + Strong troubleshooting skills with routing and switching technologies. + Experience with: + Cisco Routers + Cisco Switches + BGP + OSPF + WAN technologies + Network monitoring and diagnostics + Ability to obtain a CCNA certification within 6 months of hire. Preferred Qualifications + Bachelor's degree in Information Technology, Computer Science, or related field. + Experience supporting large-scale enterprise networks. + Knowledge of network architecture, design, and infrastructure planning. + Familiarity with configuration management and network documentation processes. + Experience working in secure or regulated environments. Work Environment + 100% onsite position. + Fast-paced, mission-focused environment. + Local travel between customer locations may be required. + Collaborative team environment supporting network operations, maintenance, and modernization efforts. Job Type & Location This is a Contract position based out of North Chicago, IL. Pay and Benefits The pay range for this position is $40.00 - $48.08/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision Critical Illness, Accident, and Hospital 401(k) Retirement Plan Pre-tax and Roth post-tax contributions available Life Insurance (Voluntary Life & AD&D for the employee and dependents) Short and long-term disability Health Spending Account (HSA) Transportation benefits Employee Assistance Program Time Off/Leave (PTO, Vacation or Sick Leave) Job Type & Location This is a Contract position based out of North Chicago, IL. Application Deadline This position is anticipated to close on Oct 28, 2026. Workplace Type This is a fully onsite position in North Chicago,IL. About TEKsystems We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services Were a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. Were a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. Were strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. Were building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records. Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.