At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems is looking to add a Principal Network Engineer OR Senior Principal Network Engineer to join our Avionics Integration team in San Diego (Rancho Bernardo), CA. Current Top Secret clearance required. Job Summary: This role is responsible for providing support to software integration lab and for end-to-end communication. Including being responsible for making network changes to the system, enhancing and improving the network system and architecture, troubleshooting complex network issues, resolving the discovered bugs, and making sure that the network is available 100% of the time. The successful candidate is hands-on, detail oriented, and possess strong written and verbal communication skills. The candidate should thrive in a fast-paced, collaborative environment with a geographically diverse team. The selected candidate will be required to work full-time, on-site at our facility. There is no remote / hybrid / telework available for this position. This position requires the ability to travel up to 25% of the time. Responsibilities include, but are not limited to: Develop engineering and automated deployments for datacenter system configurations. Collaborate with engineers to install, troubleshoot and redline documented procedures. Work closely with Engineers and Technicians in a lab environment. Author and maintain technical installation, configuration, and update documentation. Utilize strong communication skills to engage with stakeholders, extract, technical and business requirements, and translate them into actionable network solutions. This includes active listening, clear documentation, cross-functional collaboration, and the ability to balance technical feasibility with business objectives. This position may be filled at either the Principal Electronics Engineer or Sr Principal Electronics Engineer level, depending upon the qualifications below. Basic Qualifications: Principal (level 3): Bachelor of Science (BS) in a STEM (Science, Technology, Engineering or Mathematics) discipline and 5 years of related engineering experience; OR a Master of Science (MS) in a STEM discipline and 3 years of related engineering experience; OR a Ph.D. in a STEM discipline and 1 year of related engineering experience. Sr Principal (level 4): Bachelor or Science (BS) in a STEM (Science, Technology, Engineering or Mathematics) discipline and 8 years of related engineering experience; OR Master of Science (MS) in a STEM discipline and 6 years of related engineering experience; OR a Ph.D. in a STEM discipline with 4 years of related engineering experience. Must have an active DoD Top Secret clearance (with a background investigation within the past 6 years or enrolled into Continuous Evaluation). Must have the ability to obtain and maintain Special Access Program (SAP) clearance. This SAP must be obtained prior to commencement of employment and must be obtained within a reasonable amount of time as determined by the company to meet its business needs. (Of note: Additional SAP clearance may be required once in role.) Expertise with IP subnetting. A solid understanding of TCP/IP, routing protocols (RIP, OSPF, BGP), and other networking concepts is essential. Experience with network design, data center architecture. Experience with network firewalls such as Cisco ASA, Cisco Firepower, Palo Alto Networks. Ability to troubleshoot complex networking issues is vital. Familiar with network management protocols like SNMP, SSH, syslog, RADIUS/TACACS. Understanding of network automation scripting using Ansible, Python, Bash and Shell. Good understanding and knowledge of network security features like IP access-lists. Preferred Qualifications: Degree in Computer Science, Computer Engineering, Information Technology, Electrical Engineering, or similar related technical discipline. Current applicable Special Access Program (SAP) clearance. A professional certification specific to the networking industry such as CCNA, CCNP, CCNP Data Center, CCIE, or equivalent. Experience with Cisco technologies like Nexus switches, ACI Fabrics, Catalyst switches. Knowledge of virtualization technologies like VMware and their associated networking solutions (e.g. NSX). Understanding of advanced features like GRE, IPSEC, DMVPN, MPLS, QoS, Multicast. Experience with Cisco Unified Communications / VoIP. Familiar with network management applications, like SolarWinds, SuzieQ, Splunk, and/or Cisco ISE. Familiar with Windows, Linux, VMWare configuration and troubleshooting. (Experience with HAIPE/TACLANE encryptors and other military COMSEC/CRYPTO equipment and procedures. Familiar with network emulator tools such as EVE-NG, GNS3, Cisco Modeling Lab (CML), Virtual Internet Routing Lab (VIRL). Working knowledge of DISA security STIGs and maintaining security best practices. Experience with tools like Jira, Bitbucket, Gitlab, GitHub. The application period for the job is estimated to be 20 days from the job posting date. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

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