**Description:** Lockheed Martin's Missiles and Fire Control business is experiencing growth at our campus in Chelmsford, MA\. Lockheed Martin Missiles and Fire Control's Microwave Center of Excellence is seeking to hire an RF Principal Engineer who will have the opportunity to join a team of highly competent RF engineering professionals involved in the design, development, and test of complex RF / Microwave subassemblies at our campus in Chelmsford, MA\. We offer an excellent working environment with a mix of cutting\-edge design and hands\-on product development and product manufacturing\. This exciting role will offer the opportunity to work in an organization that is all about RF\. **What You Will Be Doing** In this highly visible role, the RF Principal Engineer will have the opportunity to architect and design Radio Frequency systems and circuitry used in high frequency and microwave applications, including receivers, transmitters, antennas, and frequency synthesizers\. Responsible for hardware layout, component evaluation, prototype construction, and test\. \- Prepare test methods and specifications; analyze and test RF hardware to verify performance characteristics\. Provide inputs to Product Development for formal documentation and support manufacturing during the deliverable assembly and test phases\. \- Develop RF System/Subsystem Architectures consisting of: transmitters, receivers, low noise amplifiers, high power amplifiers, RF conversion elements and transmission line equipment\. \- Perform RF system/subsystem/component trade studies and CAIV analysis\. Supports Life Cycle Costs, reliability, availability, and maintainability analysis\. \- Be the technical lead on development programs and IRAD projects\. Lead teams performing root cause analysis and failure review board activities in support of product issues\. Lead design reviews, ensuring good RF design practices and processes are in place\. \- Mentor and coach less experienced engineers\. \- Applicants selected will be subject to government security investigation and must meet eligibility requirements for access to classified information\. \- We offer a continuous learning environment with excellent career growth and opportunities for professional development \- For a level 6, we typically require 20 years of professional experience\. **Why Join us** We are committed to supporting your work\-life balance and overall well\-being, offering flexible scheduling options Learn more about Lockheed Martin’s comprehensive benefits package here\. **Further Information About This Opportunity:** This position is in Chelmsford\. Discover more about our Chelmsford, Massachusetts location\. \#mfchotjobs \#mfcnews \#OneLMjob **Basic Qualifications:** \-Minimum relevant experience: 15 years \(PhD\), 18 years \(MS\), 20 years \(BS\), 25 years \(no degree\)\. Degree Disciplines within Science, Technology, Engineering or Math \(STEM\), preferably Electrical Engineering or Physics\. \-RF circuit design experience greater than or equal to 18 GHz \-Hybrid \(Chip & Wire\) design experience \-PWB/PCB/PWA/CCA design experience \-Transceiver design experience \-RF simulation experience \(ADS, AWR, SystemVue, or equivalent\) \-Full\-Wave simulation experience \(CST, HFSS, or equivalent\) \-Deep understanding of RF test equipment \(Network Analyzers, Spectrum Analyzers, Signal Generator, etc\.\) \*\*Ability to obtain a DOD Secret Clearance, therefore you must be a US Citizen\. **Desired Skills:** \-Relevant experience 25\+ years \-RF architecture experience \-RF circuit design experience greater than or equal to 40 GHz \(Ka\-Band\) \-Experience with frequency planning, spurious analysis, RF cascade analysis, and stability analysis \-RF production support experience, RF statistical analysis/yield prediction \-Design experience in amplifiers, oscillators, frequency converters, filters, power supplies, and data converters \-Heavy mentoring experience \-Excellent oral and written communication skills **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:** 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\.** Join us at Lockheed Martin, where your mission is ours\. Our customers tackle the hardest missions\. Those that demand extraordinary amounts of courage, resilience and precision\. They’re dangerous\. Critical\. Sometimes they even provide an opportunity to change the world and save lives\. Those are the missions we care about\. As a leading technology innovation company, Lockheed Martin’s vast team works with partners around the world to bring proven performance to our customers’ toughest challenges\. Lockheed Martin has employees based in many states throughout the U\.S\., and Internationally, with business locations in many nations and territories\. **Experience Level:** Experienced Professional **Business Unit:** MISSILES AND FIRE CONTROL **Relocation Available:** Possible **Career Area:** RF Engineering **Type:** Full\-Time **Shift:** First