Sr Principal Network Engineer - R10185819

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE TYPE: PolygraphTRAVEL: Yes, 10% of the TimeDescriptionAt 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.Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today.At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we’ll support yours of expanding your personal network and developing skills, whether you are new to the field, or an industry thought leader. At Northrop Grumman, you’ll have the resources, support, and team to do some of the best work of your career.Northrop Grumman Mission Systems is seeking a candidate to join our diverse team of engineers, system administrators, and operators as a Sr. Principal Engineer Network professional in Chantilly, VA. The successful candidate will be expected to monitor, maintain, and provide Tier-2 and Tier-3 support of a mission critical network infrastructure, collect data for analysis, perform network upgrades, and be able to produce documentation and diagrams of the work they perform. The work is unique, challenging and rewarding. Most of all, its work that makes a difference.The successful candidate should thrive in a fast-paced, quick response, work environment with high expectations, diverse assignments, and possess the ability to communicate and collaborate with multiple teams across all technical levels. The candidate must be able to lead the way to maintain and develop creative solutions to complex problems.Responsibilities• Strong/Expert support of all aspects of network management, to include but not limited to, planning, network design, scheduling, implementation, maintenance, change management, and support of a mission critical network infrastructure.• Maintain, evaluate, test, and apply STIG configurations for network devices.• Possess strong/expert skills in planning and maintenance for necessary software upgrades to firewalls, switches and routers.• Respond to security findings and events across the infrastructure.• Lead in planning and executing engineering projects across multiple teams.• Expert in the implementation of approved changes to the system as required.• Expert understanding of physical network infrastructures and media types.• Superb planning, coordination, communication, presentation, and documentation skills.This position requires an Active TS/SCI with Polygraph, and the ability to pass and maintain at least a DoD 8570 IAT Level II, or higher, certification such as CompTIA Security+, within 6 months of onboarding.Basic Qualifications For Sr. Principal Engineer Network• Active TS/SCI with Polygraph• Active CompTIA Security+ certificate• 12 years of related experience in lieu of a degree; or bachelor’s degree and 8 years of related experience; or a master’s degree and 4 years of related experience or a PhD and 1 year of experience.• Strong understanding of the OSI Model and ability to verbally demonstrate in an interview.• Professional experience of routing, switching, and firewall concepts and protocols (Examples being: OSPF and Spanning-tree, state-full and stateless traffic policies, and IPv4 CIDR subnetting principles).• Hands on development and testing configurations, and implementation to a critical network.• Ability to express knowledge and experience of industry standard network hardware platforms, and any necessary operating systems and procedures for a high available (HA) network infrastructure, (Examples: Cisco IOS-XE on the Catalyst 9300 series fabric, and Juniper JunOS on the SRX series).• Ability to explain knowledge and experience of packet captures, placement of collectors, and possess the ability to perform analysis of traffic flows.• Ability to explain knowledge and experience of IDS/IPS sensors and writing policies.• The candidate shall be able for self-teach/self-learn, adapting to dynamic environments, provide direction to junior engineers, and recommendations to the stakeholder and other business partners.Preferred Qualifications• Cisco CCNA/CCNP Certification, Juniper Security JCNIA-SEC, or equivalent.• Competent of Linux operating systems, routing, IPSec, and IPTables or Firewall.• Expert knowledge of Cisco Catalyst 9000 series platforms, such as the C9300 and C9407, and Juniper SRX series, such as SRX345.• Expert knowledge of fault tolerant, high availability, network infrastructure environmentsNorthrop Grumman provides a comprehensive benefits package and a work environment which encourages your growth and supports the mutual success of our people and our company. Northrop Grumman benefits give you the flexibility and control to choose the benefits that make the most sense for you and your family. Your benefits will include the following: Health Plan, Savings Plan, Paid Time Off and Additional Benefits including Education Assistance, Training and Development, 9/80 Work Schedule (where available), and much more!Northrop Grumman has approximately 90,000 employees in all 50 states and in more than 27 countries. We strive to attract and retain the best employees by providing an inclusive work environment wherein employees are receptive to diverse ideas, perspectives, and talents to help solve our toughest customer challenges: to develop and maintain some of the most technically sophisticated products, programs, and services in the world.Our Values. The women and men of Northrop Grumman Corporation are guided by Our Values. They describe our company as we want it to be. We want our decisions and actions to demonstrate these Values. We believe that putting Our Values into practice creates long-term benefits for shareholders, customers, employees, suppliers, and the communities we serve.Our Responsibility. At Northrop Grumman, we are committed to maintaining the highest of ethical standards, embracing diversity and inclusion, protecting the environment, and striving to be an ideal corporate citizen in the community and in the world.Salary Range: $124,900.00 - $187,300.00The 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 candidate's 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.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. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.