This position requires U.S. citizenship with an active Top Secret clearance with SCI eligibility. Description To be successful, you should have extensive experience optimizing, implementing, and maintaining complex networks with a focus on security, high availability, and performance. You will also work closely with operations, management, and customer stakeholders to ensure the network is both secure and functioning optimally. Primary Responsibilities: + Provide system and network optimization design, implementation, testing, and maintenance support for a complex enterprise network using industry best practices. + Resolve escalated network and security support issues (Tier 3). + Independently conduct network assessments, identify possible vulnerabilities, and recommend/develop solutions to problems found. + Lead development of network documentation, diagrams, and standard operating procedures. This includes creating and maintaining Engineering Implementation Plans (EIPs). + Support Continuous Service Improvements (CSI). + Active participation in Root Cause Analysis for Problem Management activities. + Work with cross-functional teams to plan and execute network upgrades, migrations, and deployments. + Manage vendor relationships, including engagement on Incident Support activities and ensure timely delivery of program deliverables. + Monitoring, capacity planning, backup, and recovery of network equipment + Keep up with technology trends. Evaluate and recommend new technologies, tactics, and tools to improve service delivery. + Mentor and coach junior engineers, including providing training and support as required. + Provide testing support for the setup, installation, and transition to operations of service infrastructure devices, NMS and tools. + Support administration, patching, configuration, and sustainment activities for JITC lab components hosted at DISA Ft Meade. + Function as the primary COOP capability support engineer. + Review ACAS scanning and findings reports. Provide engineering support to the program ISSM/ISSO to mitigate findings. + Support lifecycle sustainment and refresh activities. + Utilize the designated ticketing system to document resolution and develop knowledge management artifacts. + Consult and collaborate with OEM resident and TAC engineering support provided by the government to ensure program operational and engineering needs are supported. Additional Skills & Qualifications + Bachelor’s degree and 12-15 years of prior relevant experience or Masters with 10-13 years of prior relevant experience. Specific years of related work experience may be substituted for a degree at the Hiring Manager's discretion. + Ability to work in a team environment with excellent communications and interpersonal skills. + Active DoD clearance at the Top-Secret level with SCI eligibility + Security+ Certification or other DOD 8570 IAT Level II Certification + Extensive knowledge of defense-in-depth principles, Network and Security architecture, network topology, IT device integrity, and common security elements. + 10+ years’ experience engineering and troubleshooting networks, including extensive routing and switching experience such as one or more of the following: MPLS, VPNs, routing protocols i.e. BGP, OSPF, IS-IS, switching protocols i.e. Spanning Tree Protocol, VLANs, LLDP, VoIP, Multicast protocols and emerging network technologies. + Strong understanding and in-depth knowledge of IP network/subnet addressing. + Experienced and adept at developing and maintaining technical documents, analyses, and reports. + Experience developing and presenting technical information to senior customer management, customer stakeholders, and company management. + Ability to travel up to 10% including OCONUS potential travel. Preferred Qualifications: + Experience with Juniper route, switch and security appliances. (MX, EX, SRX) + Experience with Session Initiation Protocol (SIP) implementation and design concepts. + Experience with Ribbon Session Border Controllers (SBC) + Experience with SolarWinds configuration and maintenance. + Experience with Splunk + Experience with change, configuration and performance management NetOps concepts. + IAT Level III Certification (i.e. CISSP or equivalent). Experience Level Expert Level Pay and Benefits The pay range for this position is $70.00 - $80.00/hr. 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) Workplace Type This is a fully onsite position in Scott Air Force Base,IL. Application Deadline This position is anticipated to close on Sep 16, 2025. h4>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 We’re 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. We’re 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. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re 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.