Senior Software Engineer

Company: Lockheed Martin
Location: Harmans
Posted on: January 7, 2026

Job Description:

Job ID: 691222BR Date posted: Oct. 09, 2025 Description: This position may be eligible for a $25K sign on bonus for external hires! WHAT WE‘RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today‘s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you‘ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you‘ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you‘ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. Cyber | Lockheed Martin WHO WE ARE The program is on fire for cyber. In support of our customer, members of the team are responsible for providing full lifecycle support including analysis, design, development, integration, testing, procurement, deployment, security, training and sustainment for collection and antenna systems. WHY JOIN US Your Health, Your Wealth, Your Life Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work. Learn more about Lockheed Martin‘s competitive and comprehensive benefits package. We support our employees, so they can support our mission. THE WORK As a Senior Software Engineer you will: • Analyze user requirements to derive software design and performance requirements • Provide recommendations for improving documentation and software development process standards • Design and code new software or modify existing software to add new features • Integrate existing software into new or modified systems or operating environments • Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design • Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products • Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces • Ensure quality control of all developed and modified software • Recommend new technologies and processes for complex software projects This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you‘ll receive a $3000 payment! Code extrefer. onelmjob RMSIL2025 Basic Qualifications: • Candidate must possess active security clearance with a polygraph • Bachelor of Science in Engineering, Computer Science, or related discipline. May substitute four years‘ experience in lieu of a Bachelor‘s Degree. • Twenty (20) years‘ experience as a SWE in programs and contracts of similar scope, type, and complexity • Strong Python and recent C++ • Experience with K8s • Experience with GIT • Basic RF knowledge Clearance Level: TS/SCI w/Poly SP 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 $150,800 - $265,880. 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: RMS Relocation Available: No Career Area: Software Engineering Type: Full-Time Shift: First

Keywords: Lockheed Martin, Sterling , Senior Software Engineer, IT / Software / Systems , Harmans, Virginia