Network Administrator

We are seeking an experienced Network Administrator to support a large-scale, mission-critical IT environment. This is a contract-to-hire, fully onsite position supporting systems that require 24/7 network availability. The Network Administrator will be responsible for monitoring, maintaining, troubleshooting, and optimizing network infrastructure while providing timely incident response and Tier II support. This role is ideal for a network professional with strong Cisco routing and switching experience who is comfortable operating in a highly secure, fast-paced environment. Must possess and maintain a Secret Security Clearance. Network Administrator Position Overview We are seeking an experienced Network Administrator to support a large-scale, mission-critical IT environment. This is a contract-to-hire, fully onsite position supporting systems that require 24/7 network availability. The Network Administrator will be responsible for monitoring, maintaining, troubleshooting, and optimizing network infrastructure while providing timely incident response and Tier II support. This role is ideal for a network professional with strong Cisco routing and switching experience who is comfortable operating in a highly secure, fast-paced environment. Must possess and maintain a Secret Security Clearance. Schedule This position supports a 24/7 operation and requires 12-hour shifts. 2 days on / 3 days off rotation Includes every other weekend Candidates will work either day or night shift Day and night shifts rotate approximately every 3 months Holiday and weekend availability is required Key Responsibilities Identify, analyze, troubleshoot, and resolve network incidents and performance issues. Provide Tier II support for network problem identification, diagnosis, and resolution. Monitor and maintain voice, video, and data communications networks. Administer network infrastructure to meet availability and service-level requirements. Troubleshoot routing, switching, connectivity, and network hardware issues. Utilize IT Service Management (ITSM) principles to categorize, prioritize, elevate, troubleshoot, and resolve incidents. Maintain network security and ensure compliance with established security policies and procedures. Support Cisco network hardware and IOS environments. Work directly with hardware and technology vendors during outages and complex incident resolution. Support STIG patching, compliance, and other network security activities. Develop and implement network testing strategies and document results. Assist with network monitoring procedures and infrastructure support processes. Participate in the development and implementation of network procedures and technical standards. Provide technical guidance and training related to networking and associated equipment. Participate in network-related projects and infrastructure initiatives as assigned. Required Qualifications 10+ years of relevant IT/networking experience. Active Secret Security Clearance that can be maintained throughout employment. Bachelor's degree or equivalent combination of education and additional relevant experience. Current CCNA certification. Current Security+ CE certification and ability to meet DoD 8570 / IAT Level II requirements. Strong experience with Cisco networking technologies, including Cisco IOS and Cisco network hardware. Hands‑on knowledge of routing and switching protocols such as OSPF,

EIGRP

, BGP, Spanning Tree Protocol, ISAKMP, ESP, SIP, and SCCP. Experience providing Tier II network support and troubleshooting complex network incidents. Experience working with hardware vendors during incident resolution. Experience with STIG patching, compliance, and network security activities. Knowledge of network architectures, communications protocols, and network hardware devices. Strong written and verbal communication skills. Ability to work effectively in a fast‑paced environment while managing multiple priorities. Ability and willingness to work 12-hour rotating shifts, including nights, weekends, and holidays. Ability to work fully onsite. Preferred Qualifications CCNP Enterprise or CCNP Routing and Switching certification. ITIL 4 Foundation certification. Experience supporting VoIP and VTC collaboration systems. Experience with HAIPE-based encryption devices. Experience with Multicast and GRE routing. Knowledge of networking within VMware, Citrix, and Microsoft virtualization environments. Data center networking experience. Experience with firewalls and firewall rule sets. Understanding of network virtualization. Why Join? This opportunity provides the chance to support a highly visible, mission-critical network environment where reliability, security, and availability are essential. You will work with enterprise Cisco technologies, complex network infrastructure, and a collaborative technical team while supporting systems with real-world operational impact. This is a contract-to-hire opportunity with the potential to transition into a long-term permanent position. Desired Skills and Experience Network Administration Cisco Networking Routing & Switching Cisco IOS Network Troubleshooting OSPF BGP EIGRP Spanning Tree Protocol (STP) Network Security Cisco Routers Cisco Switches

TCP/IP

IT Service Management (ITSM) Tier 2 Technical Support STIG Compliance Incident Management Data Center Networking Firewalls VoIP CCNA CompTIA Security+ CE Active Secret Security Clearance DoD 8570 / IAT Level II Beacon Hill is an equal opportunity employer and individuals with disabilities and/or protected veterans are encouraged to apply. California residents: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Completion of this form is voluntary and will not affect your opportunity for employment, or the terms or conditions of your employment. This form will be used for reporting purposes only and will be kept separate from all other records. Company Profile: Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services. Beacon Hill Technologies' dedicated team of recruiting and staffing experts consistently delivers quality IT professionals to solve our customers' technical and business needs. Beacon Hill Technologies covers a broad spectrum of IT positions, including Project Management and Business Analysis, Programming/Development, Database, Infrastructure, Quality Assurance, Production/Support and ERP roles. Learn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting Benefits Information: Beacon Hill offers a robust benefit package including, but not limited to, medical, dental, vision, and federal and state leave programs as required by applicable agency regulations to those that meet eligibility. Upon successfully being hired, details will be provided related to our benefit offerings. We look forward to working with you. Beacon Hill. Employing the Future #J-18808-Ljbffr Beacon Hill Staffing Group