2

Full Time Systems Software Developer Jobs in Philadelphia, PA

Software Systems Engineer

King Of Prussia, PA · On-site

$169K - $200K/yr

The Software Systems Engineer will Decompose software requirements from systems and component requirements. Use Model-Based Systems Engineering (MBSE) methodologies to define, design, and maintain ...

CAP Index is looking for a software developer with a strong backend foundation ... You will design APIs and build containerized systems using modular monoliths and microservices. The ...

CAP Index is looking for a software developer with a strong backend foundation ... You will design APIs and build containerized systems using modular monoliths and microservices. The ...

Based Upon Experience CAP Index is looking for a software developer with a strong backend ... You will design APIs and build containerized systems using modular monoliths and microservices. The ...

CAP Index is looking for a software developer with a strong backend foundation ... You will design APIs and build containerized systems using modular monoliths and microservices. The ...

NET framework Employment type: Full-time regular (flexible working options available) Location ... systems including devices, servers, and cloud (Azure, Google, AWS) environments * Experience ...

NET framework Employment type: Full-time regular (flexible working options available) Location ... systems including devices, servers, and cloud (Azure, Google, AWS) environments * Experience ...

Senior Software Developer

Conshohocken, PA · On-site

$53.75 - $70.75/hr

... system, and rare disease. Headquartered in the greater Philadelphia area, with offices in Bucharest and Iasi, Barcelona, Portland, OR, and Tokyo, JP, we've experienced impressive year-over-year ...

Senior Software Developer

Conshohocken, PA · On-site +1

$53.75 - $70.75/hr

As a Software Developer on Suvoda's Product team, you'll design and build clinical trial software ... Deep, hands-on Python experience in production systems * Deep understanding of relational databases ...

Showing results 21-40

Full Time Systems Software Developer information

See Philadelphia, PA salary details

$40.9K

$118.1K

$187.2K

How much do full time systems software developer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for full time systems software developer in Philadelphia, PA is $118,138.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,300.00 and $140,300.00 per year, depending on experience, location, and employer.
What are the most commonly searched types of Systems Software Developer jobs in Philadelphia, PA? The most popular types of Systems Software Developer jobs in Philadelphia, PA are:

Software Systems Engineer

Lockheed Martin

King Of Prussia, PA • On-site

$73K - $129K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 9 days ago


Lockheed Martin rating

8.2

Company rating: 8.2 out of 10

Based on 391 frontline employees who took The Breakroom Quiz

38th of 72 rated aerospace companies


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 re-imagining 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.
This role bridges the gap between high-level system requirements and detailed software development.
The Software Systems Engineer will
• Decompose software requirements from systems and component requirements.
• Use Model-Based Systems Engineering (MBSE) methodologies to define, design, and
maintain complex system architectures using Cameo Systems Modeler (MagicDraw).
You have opportunities to play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually.
Here are some of the benefits you can enjoy:
• Medical
• Dental
• 401k
• Paid time off
• Work/life balance
• Career development
• Mentorship opportunities
• Rewards & recognition
Basic Qualifications
• Experience in one or more Systems Engineering functions, such as:
a.) Subsystem design or analysis
b.) System or Software modeling
c.) Requirements and Interface Control Document (ICD) development
• US Citizenship required. Final secret clearance needed to start.
Desired skills
• Clearance: Active secret or above security clearance
• Systems engineering experience or relevant systems engineering training through a university or certificate program
• Familiarity or proficiency in Cameo Systems Modeler / Cameo Enterprise Architecture or equivalent.
• Familiarity or proficiency with writing requirements. Experience with DOORs a plus.
• Experience with DOD Software CDRL Development
• Ability to thrive in a fast-paced, synergetic team environment.
• Demonstrated behaviors of a systems thinker with the ability to select and apply appropriate systems thinking skills to solve problems and implement constructive change.
• Excellent written and verbal communication skills, strong social skills, and ability to build consensus among peers while building solid relationships with team members
EEO
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.
Other Important Information
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.
Work Schedule Information
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.
National Pay Statement
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 $73,400 - $129,260. 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.
Premium Pay Statement
Pay Rate: The annual base salary range for this position in most major metropolitan areas in California, Massachusetts, and New York is $84,300 - $146,165. 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.
This position is incentive plan eligible.

What Lockheed Martin employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Lockheed Martin logo

About Lockheed Martin

Sourced by ZipRecruiter

As a global security and aerospace company, the majority of Lockheed Martin's business is with the U.S. Department of Defense and U.S. federal government agencies.The remaining portion of Lockheed Martin's business is comprised of international government and commercial sales of products, services and platforms.

Industry

Manufacturing

Company size

10,000+ Employees

Headquarters location

Bethesda, MD, US

Year founded

1912