Junior Software Test Engineer Jobs in Frederick, MD

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: 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.

About the Space Division

Our Space Division builds the groundsoftware that enables satellite constellations, launchday operations, and the processing of spaceborne data. The software you design and sustain directly supports missioncritical capabilities that protect the nation and advance exploration.

The Software Test Engineer will develop, integrate, deploy, and sustain automated test software supporting a complex satellite ground system. The role focuses on hardware- in the- loop (HITL) and software-in the loop (SITL) testing, enabling continuous verification of mission- critical software through automated test frame works, system integration and operational validation across the software development lifecycle

This work will primarily be performed in a SCIF environment.This position is 100% onsite and cannot accommodate telecommute work.

This position will work a 9/80 schedule, with every other Friday off.

Job responsibilities (not exhaustive)

• Write clean, maintainable C and Python code that drives test hardware, orchestrates test sequences, and analyses results.
• Build and evolve an automatedtest framework that can be invoked from CI pipelines and run on demand.
• Use Playwright (or a comparable tool) together with Python for UIlevel test automation.
• Maintain existing LabVIEW (or PyVISA) VIs that operate RF generators, spectrum analyzers, thermal chambers, and other test equipment.
• Analyze technical and contractual requirements and synthesize detailed test cases, test plans, and procedures that demonstrate full system compliance.
• Create Bash and Python scripts for automated test activities and datacapture/reporting.
• Participate in local field installation, integration, and test activities at customer locations, including launchrehearsal and acceptancetest events.
• Create, configure, and manage Linuxbased virtual machines (VMware, KVM, etc.) that host test environments; automate provisioning, snapshot management, and teardown for nightly regression runs.
• Work comfortably with Linux (RedHat Enterprise) and Windows workstations; demonstrate strong commandline, SSH, and filepermission skills.
• Act as a selfstarter capable of making decisions with overall project budget and schedule in mind.
• Support groundsoftware operations and associated configurations, troubleshooting both software errors and hardware (RF test gear, thermal chambers, power supplies) that affect test execution.
• Support Acceptance Test events, run regression suites, and provide automatedtest metrics and reporting.
• Configure testsegment software, resolve and remediate defects, and deliver enhancements per customer change requests or mission needs.
• Provide testsoftware support during launch and launchrehearsal events.
• Other duties as assigned.

This position is contingent upon the candidate obtaining final clearances and program access(es) within a reasonable period of time as determined by the company.

This position can be filled at either a Level2 or Level3.

Basic Qualifications - Level2

• Education & Experience - Bachelor's degree in a STEM field and2years of professional experience -orMaster's degree . Will consider an additional 4+years of experience in lieu of a degree.
• Clearance - Active U.S. Government TopSecret security clearance at time of application, current and within scope.
• Demonstrated softwaredevelopment experience, including C, Python, and Bash scripting.
• Experience designing or executing automated software tests (framework design, CI integration, regression suites).
• Basic understanding of RF fundamentals and handson experience with RF test equipment (signal generators, spectrum or network analyzers).
• Comfortable working in Linux environments and managing VMs for test execution.

Basic Qualifications - Level3

• Education & Experience - Bachelor's degree in a STEM field and5years of professional experience -orMaster's degree and3years -orPhD and1years. Will consider an additional 4+years of experience in lieu of a degree.
• Clearance - Active U.S. Government TopSecret security clearance at time of application, current and within scope.
• Proven track record delivering complex automatedtest solutions in a regulated or classified environment.
• Advanced proficiency in C, Python, and Bash; ability to write lowlevel drivers and highlevel orchestration scripts.
• Basic understanding of RF fundamentals and handson experience with RF test equipment (signal generators, spectrum or network analyzers).
• Expertise in Linux system administration, VM provisioning, and CI/CD pipeline integration (e.g., Jenkins, GitLab CI, Azure DevOps).
• Excellent problemsolving skills and the ability to collaborate across hardware engineering, software development, and missionoperations teams.

Preferred Qualification

• Strong preference for Top Secret SCI with Polygraph clearance
• Certified LabVIEW Developer or demonstrated ability to replace LabVIEW functionality with PyVISAbased solutions.

Primary Level Salary Range: $91,800.00 - $137,600.00Secondary Level Salary Range: $114,000.00 - $171,000.00The 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.