Our client, a technology solution company and federal contractor, is seeking a talented Senior Network Administrator to join our team of diverse and qualified professional who is pursuing the rewards of maintaining innovative and complex systems. This position is located in Aurora, CO offering opportunities for both individual activities and collaborative efforts in support of complex systems. Qualified candidates must be able to work individually and in a team setting in a dynamic and fast paced environment. 
This position requires an individual with network administration experience on multiple networking platforms who can work in a structured configuration controlled environment, primarily focused on the support and maintenance of real-time system applications on an Operations and Maintenance (O&M) contract. Qualified candidates will be responsible for leading team in network design, upgrades, evaluating network platform level problems and providing immediate solutions to restore service. 
To be considered for this position, you must have each the following:

• US Citizenship
• An Active TS/SCI with CI Poly Government Security Clearance 
• 5 years of relevant experience plus a Bachelor's degree OR 13 years of experience in lieu of a degree

Required Skills:

• Demonstrable real-world experience in network configuration and
• management of critical network environments 
• Has a clear understanding of the OSI model 
• Experience with IPSec, multilayer switching and VLANs 
• Knowledgeable in Static/Dynamic IP environments, LAN/WAN interfaces,
• Routed and routing protocols, subnetting, remote management and monitoring
• using SNMPv3 and SSH in both large and small-scale networks 
• Experience in network devices such as Cisco ASAs, Routers, and Switches 
• Familiarity with CISCO Spine-Leaf network topology/architecture 
• Experience with Cisco IOS, NX OS 
• Experience and/or knowledge of network protocols, such as TCP/IP, Multicast
• and UDP 
• Troubleshooting network architecture to include network interfaces and
• firewalls, and making recommendations for system findings and enhancements 
• Handle multiple projects and tasks simultaneously 
• Gain a detailed understanding of systems, flows, CONOPs and advanced concepts; innovate and provide strategic direction. 
• Perform updates, patching, and baseline changes to adhere to Information
• Security requirements, policies, and standards 
• Must have an active DoD 8570 IAT Level 2 certification (or higher) on start date.
• IAT Level 2 requires one or more of the following Professional Certifications: Security CE, CCNA Security, GICSP, GSEC, SSCP, CySA , CND 

Desired Skills: 

• Ability to work in a structured configuration controlled environment, primarily
• focused on the support and maintenance of real-time systems on an Operations
• and Maintenance (O&M) contract 
• Strong analytical skills and ability to evaluate platform level problems and
• provide solutions for immediate restoration of service. 
• Experience with 24x7 operational systems 
• Interface with external services for DNS, NTP, and others 
• Experience formalizing, developing, and writing requirements, plans, and
• procedures based on customer, briefings, interactions, and statements of work 
• Experience developing system-level designs, high-level control and data
• interfaces 
• Experience designing and setting up networks and data centers