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Posted June 13, 2026
Northrop Grumman

Software Engineer - Level 4 - R10236213

Huntsville, AL, US Full Time
$135800 - $203600
Reference: R10236213

RELOCATION ASSISTANCE: Relocation assistance may be available

CLEARANCE REQUIRED FOR START: Yes

CLEARANCE TYPE: Secret

TRAVEL: Yes, 10% of the Time

Description

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.

Job Description:

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 Space Sector is seeking a Sr. Principal Software Engineer – Level 4 to support the Ground-based Midcourse Defense Weapon System (GWS) in their development, integration, deployment, and sustainment of network and infrastructure equipment.

This position is located onsite on our Huntsville, AL campus.

Essential Job Duties:

  • Full stack software cloud development in an Infrastructure as a Service platform (IaaS)

  • Cloud Applications will span languages and toolsets including Python, Perl, Ansible, Kubernetes, cloud infrastructure provisioning, PKI, and code analysis execution and finding remediation.

  • Develop cloud software which provides functionality for the GWS program as well as customer driven requirements

  • Develop cloud software which enables activity planning and constraint checking to achieve mission outcomes.

Basic Qualifications:

  • Bachelor's degree in a Science, Technology, Engineering, or Mathematics (STEM) discipline from an accredited university and 8 years of related experience; OR Master’s degree in a STEM discipline with 6 years of related experience; OR PhD with 4 year of related experience

  • US Citizenship and an Active DoD Secret level clearance or higher

  • Applicants must have a current, active DoD 8140 certification at IAT Level II or higher (such as Security+ CE, CCNA-Security, CySA+, CND, etc.) at the time of application, which is required to start. The candidate is responsible for maintaining their DoD 8140 certification throughout the entire contract period

  • Knowledge of NIST SP 800-37 Risk Management Framework (RMF) and cybersecurity fundamentals.

  • Experience with developing software, scripts and automation with various languages: C#, C++, Python, PowerShell and Bash

  • A functional understanding of how revision control systems (e.g., BitBucket, git, CVS, etc.) are used

  • Experience with Microsoft Windows technologies

  • Experience with Red Hat Technologies

  • Experience working with Windows Active Directory

  • Experience developing software integrating with SQL

  • Experience writing command line scripts and operating on the command line

  • Hands-on system troubleshooting skills

Preferred Qualifications:

  • A strong understanding of virtual infrastructure: Ability to design, deploy, manage, maintain, and upgrade VMware vCenter, ESXI

  • High proficiency using Containers in Docker and/or Kubernetes

  • Knowledge of networking concepts like IP, TCP, UDP, port binding, NAT, layer 3, firewalls and analysis of live traffic using tools like tcpdump or wireshark

  • Experience with software network interfaces and troubleshooting networks (TCP/IP, UDP, LAN, VLAN, SNMP or others)

  • Demonstrated leadership, teamwork capabilities, excellent oral and written communications skills, and strong interpersonal communication skills at all levels of employees and management

  • Demonstrated CI/CD tools such as: Atlassian (Jira, Confluence), GitHub, GitLab and Jenkins

Primary 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.

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.

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