RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Northrop Grumman Defense Systems is seeking a self-motivated, energetic individual to work at our Colorado Springs, CO location as aSenior Principal Network Engineersupporting the JTAGS program. As a member of this team, you will focus primarily on thedesign, installation and configuration, and sustainment of network products: switches, routers and firewalls. Installation activities include initial setup following standard configuration guidelines, security hardening, cabling, labelling, documentation and checkout. Ongoing tasks include problem resolution, firewall changes, connection additions, and monitoring. The candidates will be responsible for (but not limited to) the following tasks:  Maintain smooth operation of local area, worldwide and virtual private networks (VPN)  Plan, evaluate, and coordinate installation and/or reconfiguration of hardware and software elements of data and/or voice communication network  Maintain technical expertise in all areas of networks and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc.  Propose solutions to management to ensure all communications requirements based on future needs and current usage, configuring such solutions to optimize cost savings  Prepare or ensure that appropriate network documentation exists, including operational instructions  Provide regular monitoring and network analysis regarding short- and long-range planning for in-house systems  Coordinate third-party maintenance for network equipment  Design network or portion of network that include selection of hardware and software packages Basic Qualifications:  Minimum of 8 Years with Bachelors Degree; 6 Years with Masters; additional years of experience in lieu of a degree  Active DoD Secret security clearance  Active DoD 8140 approved IAT Level II (or higher) compliant certification. Examples include: CCNA Security, CompTIA Security+, Security+CE, CCNP, and CISSP  Understanding of IPv4/IPv6 and network design, including IP subnetting and protocols including BGP, OSPF and EIGRP  Familiar with network management protocols, like SNMP, SSH, syslog, RADIUS/TACACS and network simulation tools and load testing (e.g. CML, GNS3)  Understanding of communication architecture and communication hardware  Experience with, and knowledge of, Cisco IOS and Cisco Nexus Operating systems  Experience with Cisco appliances, specifically Firepower firewalls and TACACS+ services  Intimate knowledge and experience designing, maintaining, and troubleshooting Network switching and routing protocols.  Ability to travel up to 10%  Ability to work off-shift hours to support the mission if needed Preferred Qualifications:  Experience in deploying, configuring, and security hardening Cisco Network Devices  In depth understanding of IPV4 Network sub/super netting, CIDR, and DNS  Understanding of advanced features like GRE, IPSEC, IP quality-of-service, VLANs, and multicast  Experience with WAN operations and protocols  Experience with Linux and Windows operating systems Primary Level Salary Range: $117,500.00 - $176,300.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidates experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.