Senior Network Systems Engineer

Sr. Network Systems EngineerApex Systems has an immediate need for a Sr. Network Systems Engineer in Washington D.C Area (Bolling AFB)!!! This will be an estimated "12+ Month Contract" opportunity, supporting one of our largest government clients on the East Coast!Hourly Rate on Contract: $65.00 - $75.00 / Hourly on W-2RequirementsTop Secret Clearance w/ CI Poly (Eligibility)Security+CECCNAExperience configuring, maintaining, and troubleshooting enterprise Layer 2 switching (Catalyst, Nexus, EX, QFX)Experience with VLAN design, trunking (802.1Q), inter-VLAN routing, and STP/RSTP/MST managementExperience with EtherChannel/LACP for redundancy and performanceJob DescriptionInstall, configure, and maintain enterprise LAN/WAN infrastructure, including routers, switches, firewalls, and VPNs.Independently design and build new network environments, including topology, configuration, and architecture planning.Configure and troubleshoot dynamic routing protocols, including OSPF, RIP, and BGP.Configure and apply standard ACLs to enforce security and traffic policies.Configure, maintain, and troubleshoot Cisco/Juniper enterprise switching environments (Catalyst, Nexus, EX, QFX).Design and implement VLANs, trunking (802.1Q), and inter-VLAN routing to support multi-tenant and segmented environments.Manage Spanning Tree Protocol (STP, RSTP, MST) to ensure loop-free topology and rapid convergence.Deploy EtherChannel/LACP for link redundancy and throughput optimization.Administer, configure, and manage Cisco ASA appliances, including VPN solutions and secure remote access.Implement and manage firewall platforms (Cisco ASA/Firepower, Palo Alto, Juniper SRX) with strong experience in rule creation, policy management, and security hardening.Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.Everforth Apex uses a virtual recruiter as part of the application process. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Everforth Apex and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at View email address on click.appcast.io or View phone number on click.appcast.io.