RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Northrop Grumman Space Systems, Multi-Domain Operations, and Missile Defense Integration Business Unit (BU) has an exciting career opportunity for a Principal/Sr. Principal Systems Engineer - DOORS Administrator– Level 3 or 4 to support the Systems Engineering & Integration Team (SE&IT) program. We are excited for you to join our team of qualified and diverse individuals. Our domain provides rewarding work that contributes to the latest advancements being made in the missile defense industry. The position is in Huntsville, AL. Position Overview: The Systems Engineer / DOORS Administrator – Level 3 or 4 is the primary administrator and technical expert for our IBM DOORS infrastructure. This role supports specification change teams in capture of requirement and interface data in the legacy DOORS Classic environment and supports the tool development team in building and troubleshooting custom productivity extensions.  This role will also be a key figure in the upcoming technical migration of the specification repository from DOORS Classic to DOORS NextGen as part of the Customer’s push to implement enterprise-wide Digital Engineering. Essential Functions: • Manage access control, folder structures, user permissions, and schema configuration in DOORS Classic and eventually DOORS NextGen. • Support specification change teams- create change sections, manage views, establish links, assign data IDs, and support data entry. • Maintain specification baseline, apply approved changes to baseline, generate and deliver partitions, receive and import 3rd party partitions. • Collaborate with the internal tool development team to support build, test, and deployment of automation scripts and system extensions. • Troubleshoot tool errors encountered by users within legacy DXL scripts or Java extensions.  Resolve data corruptions. • Generate partitions for data exchange with stakeholder organizations. • Support the planning and execution of the structural migration of the specification repository from DOORS Classic to DOORS NextGen. • Coordinate with counterparts at Government customer and their contractors.​ • The position is in Huntsville, AL and is located full-time onsite at the Boeing Jetplex facility. The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/teams comprised of all experience levels. This requisition may be filled at a higher grade based on qualifications listed below. This requisition may be filled at either a Principal Systems Engineer – Level 3 or a Sr. Principal Systems Engineer – Level 4. Basic Qualifications: • Principal Engineer Systems – Level 3:  Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 5 years of related work experience, or a Master’s degree and 3 years of related work experience, or 1 year of related work experience with a PhD. • Sr. Principal Software Engineer – Level 4: Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related work experience, or a master’s degree and 6 years of related work experience, or 4 years of related work experience with a PhD. • Extensive experience using DOORS Classic, with administration experience preferred. • Familiarity with DOORS NextGen including key differences between DOORS NextGen and DOORS Classic • Familiarity with DOORS eXtensible Language (DXL) and scripting languages used for DOORS NextGen customizations (e.g., JavaScript, Python, or OSLC/REST APIs). • Strong database administrator (DBA) mindset with the ability to isolate application bugs from backend database failures. • Experience coordinating with government customers, technical leadership, and cross-functional engineering teams. • Demonstrated troubleshooting and problem-solving skills in complex technical environments. • Experience supporting multiple concurrent users and engineering workflows in operational environments. • Strong written and verbal communication skills. • Ability to work independently and lead technical initiatives. • Applicants must have a current active in-scope U.S. Government issued Secret security clearance at the time of application which is required to start. • Ability and willingness to work on a customer site (Boeing Jetplex). • Ability and willingness to travel locally up to 10% of the time (Redstone Arsenal). Preferred Qualifications: • Experience supporting Missile Defense Agency (MDA) programs or other Department of Defense (DoD) engineering environments. • Experience using Digital Engineering (DE) and Model-Based System Engineering in system design and specification. • Experience supporting proposal development activities and technical volume contributions. • Familiarity with Linux and Windows enterprise environments. • Experience working in classified environments. • Familiarity with Cameo or similar MBSE tools is desired. Primary Level Salary Range: $108,800.00 - $163,200.00 Secondary Level Salary Range: $135,800.00 - $203,600.00 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 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.