Software Engineer Sr. Stf - Level 5
Fort Worth, Texas
Fort Worth, Texas
Job Responsibilities
Description:We are Lockheed Martin
The Integrated System Evaluation team is seeking a Senior C++ / Rust Developer to design, build, and optimize high-performance, low-latency systems that power our core products. This role is ideal for an experienced software engineer who thrives in performance-critical environments and enjoys owning architecture, reliability, and scalability end-to-end.
What you'll do:
- Architect, design, and implement high-performance systems in C++ and/or Rust
- Optimize for performance, memory usage, and concurrency
- Develop scalable, resilient services in distributed environments
- Lead technical design discussions and code reviews
- Improve CI/CD pipelines, testing frameworks, and observability
- Collaborate cross-functionally with product, DevOps, and QA
- Mentor mid-level and junior engineers
- Drive best practices in systems design and reliability
- Participate in architectural decision-making and long-term roadmap planning
**Must be a US Citizen. This position is located at a facility that requires special access.**
EngineeringAeronautics
What’s In It For You
Our employees 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
Learn more about Lockheed Martin’s comprehensive benefits package here.
Basic Qualifications:
- Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, or related discipline
- 12+ years of professional software engineering experience
- 5+ years of modern C++ experience OR 3+ years of production-grade Rust experience
- Experience with Linux-based systems
Desired Skills:
- Deep understanding of:
- Multithreading and concurrency models
- Memory management and performance optimization
- Networking (TCP/IP, gRPC, REST, WebSockets, etc)
- Data structures and algorithms
- Strong de-bugging and profiling skills
- Experience building large-scale or performance-critical systems
- Experience with distributed systems architecture
- Experience with CI/CD pipelines and automated testing frameworks
- Open-source contributions in C++ or Rust ecosystems
- GUI Frameworks: .Net, Qt 4/5/6
Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.
Clearance Level: Secret with Investigation or CV date within 5 years
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: 4x10 hour day, 3 days off per week
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: AERONAUTICS COMPANY
Relocation Available: Possible
Career Area: Software Engineering
Type: Full-Time
Shift: First
About
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
Qualifications
See what it takes to be a successful Lockheed Martin employee.
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Collaborative
There is no innovation without imagination. You bring new, different and exciting ideas to the table every day. You are committed to the success of your team.
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Curious
The ability to explore and drive new ideas. You think innovatively to come up with creative solutions to complex challenges.
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Goal-oriented
From planning and organizing to decision making, goal orientation produces impactful results. You set goals and strive to make things happen quickly and efficiently.
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Proactive
The ability to anticipate, plan and prepare for what lies ahead. You act rather than react to potential situations.
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Problem Solver
You work to tackle tough problems with complex solutions.
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Strategic
You observe, reflect and analyze processes to make more informed decisions.
Quote
“Before I came to Lockheed Martin, I never thought I’d get these opportunities. The benefits available and the company’s value culture make it an incredibly supportive place to work, and I’m grateful to work somewhere that wants me to succeed. I hope to have a long career here making an impact, and I know I’ll be supported in doing that every step of the way.”
Ryan J., Enterprise Operations
Benefits
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Healthcare
Medical, Dental and Vision coverage is available for employees who opt-in.
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401(k)/Retirement Plans
Our 401(k) plan features generous matching and company contributions.
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Professional Development
We support our employees through mentoring, internal & external educational programs, networking, skills enhancement and career-building programs.
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Maternity and Paternity Leave
Our generous parental leave policies support your journey into parenthood. When you return to work, our facilities offer mother's rooms to support your transition and work/life balance.
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Paid Time Off
We offer PTO, paid holidays and paid time off for jury duty and military obligations.
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Flex-time
Depending on the position, we offer flexible work schedules.