Network Admin

CTG is seeking an experienced Network Administrator to support and maintain enterprise network infrastructure in a complex, cloud-connected environment. The ideal candidate will have 3+ years of experience administering LAN/WAN networks, firewalls, VPNs, routing and switching technologies, and network security solutions. This role requires strong troubleshooting skills and the ability to optimize network performance while ensuring high availability and security. Location: Remote (Boulder, CO preferred) Duration: 12 months with possible extension Key Responsibilities Configure, administer, and maintain enterprise network infrastructure. Monitor network performance and availability using enterprise monitoring tools. Troubleshoot complex network connectivity, routing, switching, and security issues. Manage LAN, WAN, VPN, firewall, proxy, and load-balancing technologies. Configure and support TCP/IP networking, DHCP, BGP, OSPF, and IPsec. Implement network security policies, access management, and content filtering solutions. Perform network upgrades, firmware updates, and infrastructure maintenance. Collaborate with cloud, infrastructure, and security teams on network initiatives. Document network configurations, procedures, and architecture. Support infrastructure projects and recommend improvements for reliability and scalability. Required Skills Network Administration TCP/IP Network Routing & Switching Network Security Firewall Administration Virtual Private Networks (VPN) LAN/WAN Technologies BGP & OSPF Routing Protocols DHCP IPsec Load Balancing Proxy Servers Content Filtering Network Monitoring Network Troubleshooting Access Management Cloud Networking Network Engineering Infrastructure Support Strong analytical and problem-solving skills Project coordination experience Experience 3-5+ years of experience as a Network Systems Administrator or Network Administrator. Experience supporting enterprise network infrastructure in medium to large environments. Hands-on experience with routing, switching, firewalls, VPNs, and network security technologies. Experience monitoring, troubleshooting, and optimizing network performance. Experience supporting cloud-connected or hybrid network environments is preferred. Education Bachelor's degree in Information Technology, Computer Science, Network Engineering, or a related discipline preferred. Equivalent work experience will be considered. Cisco CCNA, CCNP, CompTIA Network+, or similar certifications are a plus. Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required. CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role. To Apply: To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you! The expected base salary for this position ranges from $38.00-$42.00/hr. Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered. About CTG CTG, a Cegeka company, delivers IT and business solutions that enhance clients' digital agility, empowering them to seize new opportunities and overcome any challenge. Backed by more than 60 years' experience and a commitment to being a reliable, results-driven partner, we work shoulder to shoulder with clients to shape digital together. Our vision is to be an indispensable partner to our clients and the preferred career destination for digital and technology experts. With more than 9,000 team members in over 15 countries, we combine global expertise with local insight to deliver innovative solutions. We operate across the Americas, Europe, and India, working with over 3,000 clients in many of today's highest-growth industries. Together, we shape what's next-working shoulder to shoulder to deliver impactful solutions for our clients and society. Our culture is built by the people who work at CTG, the values we hold, and the actions we take. It's a living, breathing thing that is renewed every day through the ways we engage with each other, our clients, and our communities. At CTG, you'll find a workplace where you are encouraged to grow, supported in your ambitions, and empowered to shape your own career journey. For more information, visit www.ctg.com. CTG will consider for employment all qualified applicants including those with criminal histories in a manner consistent with the requirements of all applicable local, state, and federal laws. CTG is an Equal Opportunity Employer. CTG will assure equal opportunity and consideration to all applicants and employees in recruitment, selection, placement, training, benefits, compensation, promotion, transfer, and release of individuals without regard to race, creed, religion, color, national origin, sex, sexual orientation, gender identity and gender expression, age, disability, marital or veteran status, citizenship status, or any other discriminatory factors as required by law. CTG is fully committed to promoting employment opportunities for members of protected classes.