Top 568 Sr. test software engineer Jobs in Littleton, Co

Sr. Test Software Engineer
Lockheed Martin Corporation —Littleton, CO
- $93,200 - $164,450 a year
- Overtime
- Computer Science
- Office
- Linux
- Paid jury duty
- Paid holidays
Test Software Engineer (IC2)
Lockheed Martin Corporation —Littleton, CO
- $76,500 - $134,895 a year
- Overtime
- Computer Science
- Mid-level
- Linux
- Paid jury duty
- Paid holidays
Staff Test Software Engineer (IC4)
Lockheed Martin Corporation —Littleton, CO
- $113,900 - $200,905 a year
- Overtime
- Computer Science
- Mid-level
- Linux
- Paid jury duty
- Paid holidays
Sr. Electrical Engineer
SCRAM Systems —Denver, CO
- $130,000 - $170,000 a year
- Full-time
- Bachelor of Science
- Salesforce
- Senior level
- Health savings account
- Disability insurance
Quick Apply
Senior Infrastructure Engineer
SciTec —Aurora, CO
- $156,000 - $193,000 a year
- Computer Science
- System design
- 8 years
- Profit sharing
- Paid parental leave
Quick Apply
Senior Electrical Engineer
Vantor Holdings Inc. —Westminster, CO
- $107,000 - $157,300 a year
- Full-time
- Hybrid work
- Engineering
- System design
- Office
- 401(k) matching
- Pet insurance
Quick Apply
5d
Engineer II - Electrical - Test Systems
BAE Systems Inc. —Westminster, CO
- $79,365 - $134,921 a year
- Full-time
- Bachelor of Science
- Mid-level
- Office
- Health savings account
- Paid holidays
Engineer II
Barber-Nichols LLC —Arvada, CO
- $85,000 - $120,000 a year
- Overtime
- Word processing
- Bachelor of Science
- Writing skills
Quick Apply
7d
Senior Software Developer
Sensera Systems —Golden, CO
- $120,000 - $150,000 a year
- Full-time
- Computer Science
- 5 years
- Java
- Health savings account
- Disability insurance
Quick Apply
Sr. Software Engineer TS/SCI Polygraph
Leidos —Aurora, CO
- $131,300 - $237,350 a year
- Full-time
- Bachelor of Science
- Writing skills
- Windows
Systems Engineer
Air Methods —Englewood, CO
- $114,000 - $142,000 a year
- Overtime
- 7 years
- Microsoft Excel
- Microsoft Outlook
Principal SDET, Cybersecurity Test Engineer
System One —Denver, CO
- $144,000 - $180,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Health insurance
- Dental insurance
Quick Apply
Sr Principal Hardware Engineer
Northrop Grumman —Aurora, CO
- $129,300 - $193,900 a year
- Overtime
- 6 years
- Master's degree
- Assembly
- Paid holidays
- Disability insurance
5d
Senior Structural and Dynamics Engineer
Vantor Holdings Inc. —Westminster, CO
- $107,000 - $157,300 a year
- Full-time
- Hybrid work
- Engineering
- Data analysis skills
- Office
- 401(k) matching
- Pet insurance
Quick Apply
5d
Sr. Principal DevOps Engineer
Northrop Grumman —Aurora, CO
- $142,200 - $213,400 a year
- Overtime
- System design
- Java
- Master's degree
- Paid holidays
- Disability insurance
5d
Java Software Engineer Level 5
Northrop Grumman —Aurora, CO
- $177,000 - $265,600 a year
- Overtime
- 5 years
- Office
- Java
- Paid holidays
- Disability insurance
5d
Software Engineer Sr (Java)
PNC Financial Services Group —Denver, CO
- $86,250 - $158,125 a year
- Full-time
- Office
- 3 years
- Java
- Wellness program
- Health savings account
2d
Senior Scala Backend Engineer
Pyramid Consulting, Inc —Denver, CO
- $53 - $55 an hour
- Urgently hiring
- System design
- English
- Office
- Health insurance
- Dental insurance
Quick Apply
Principal/Sr. Principal DevOps Engineer - Active Polygraph
Northrop Grumman —Aurora, CO
- $114,000 - $231,000 a year
- Overtime
- System design
- Master's degree
- AWS
- Paid holidays
- Disability insurance
Sr. Mechanical Engineer
Wanco, Inc —Arvada, CO
- $45 - $55 an hour
- Overtime
- 7 years
- Office
- In-person
- Health insurance
- Dental insurance
Quick Apply
6d

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Sr. Test Software Engineer

Lockheed Martin Corporation -
Littleton, CO

Apply Now

Job Details

Full-time
$93,200 - $164,450 a year

Benefits

Paid jury duty
Paid holidays
Disability insurance
Health insurance
Dental insurance
401(k)
Flexible spending account
Paid time off
Flextime
Parental leave
Employee assistance program
Vision insurance
401(k) matching
Flexible schedule
Life insurance

Qualifications

Application Integration
Systems integration
Software engineering
Computer Science
Software Engineering
Engineering development testing
Bachelor's degree in electrical engineering
Automation
Git
Production systems
Computer Engineering
Software documentation
Developing automated testing protocols
Linux
Senior level
Electrical Engineering
Bachelor's degree in software engineering
Bachelor's degree in computer science
Python
Operations planning
Debugging

Full Job Description

JOB ID: 732268BR

Date posted: Jun. 12, 2026

Description:

Job Description :
Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future.

At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity.

Join us in shaping a new era in space and find a career that's built for you.

By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours.

We are seeking a Software Engineer to join the SDA Tranche integration and test team within Production Operations. In this role you will participate in leading in the planning/execution of electrical floor operations and will be responsible for developing automated test scripts, procedures, and other documentation needed to conduct spacecraft testing at Waterton.

Basic Qualifications:

Bachelor’s Degree (Electrical Engineering, Computer Science, Software Engineering, Computer Engineering, or a related field preferred) or equivalent experience/combined education.
Willingness to work overtime to support launch

and willingness to work off-shifts and weekends as needed.

Final SECRET Security Clearance

Desired Skills:

Experience Python, Test scripting, Debugging
CTC ( Certified Test Conductor)

Strong software scripting skills, specifically Python
Experience with EASY and/or Horizon software products
Payload and Bus SW Integration Experience
Experience in Linux Environment
Experience in ATLO or AIT Production and test environments, especially using Automation Framework (AF)
Experience using GIT, setting IP addresses, working with sys admins
Experience integrating with EGSE systems

Security Clearance Statement:

This position requires a government security clearance, you must be a US Citizen for consideration.

Clearance Level:

Secret

Other Important Information You Should Know

Expression of Interest:

By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Ability to Work Remotely:

Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

Work Schedules:

Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.

Schedule for this Position:

9x80 every other Friday off
Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $93,200 - $164,450. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays.
(Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.
This position is incentive plan eligible.
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.

Experience Level:

Experienced Professional

Business Unit:

SPACE

Relocation Available:

Possible

Career Area:

Software Engineering

Type:

Full-Time

Shift:

Multiple shifts available

At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.

Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.

Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.

Here, the possibilities are endless because we offer:

Flexible Schedules, dependent on role

Levels: Student, Entry, Mid, Senior, Management

Locations: Nationwide & OCONUS Positions

Apply Now

Refine Your Search

sr. test software engineer jobs in littleton, co

Sr. Test Software Engineer

Test Software Engineer (IC2)

Staff Test Software Engineer (IC4)

Sr. Electrical Engineer

Senior Infrastructure Engineer

Senior Electrical Engineer

Engineer II - Electrical - Test Systems

Engineer II

Senior Software Developer

Sr. Software Engineer TS/SCI Polygraph

Systems Engineer

Principal SDET, Cybersecurity Test Engineer

Sr Principal Hardware Engineer

Senior Structural and Dynamics Engineer

Sr. Principal DevOps Engineer

Java Software Engineer Level 5

Software Engineer Sr (Java)

Senior Scala Backend Engineer

Principal/Sr. Principal DevOps Engineer - Active Polygraph

Sr. Mechanical Engineer

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