Principal Cybersecurity Engineer (Starshield)
$225k - $340kSpaceX
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.PRINCIPAL CYBERSECURITY ENGINEER (STARSHIELD) At SpaceX we’re leveraging our experience in building rockets and spacecraft to deploy the Starshield constellation. Starshield is the world’s largest US government satellite constellation and is tasked with providing immediate access to critical intelligence and national security data for the US government anywhere on the globe. We design, build, test, and operate all parts of the system – n-space sensors, on-the-ground receivers, data processing, and the mesh network that provides lightning-fast connectivity to users around the world. We’ve only begun to scratch the surface of Starshield's global impact and are looking for best-in-class engineers to help us further our ambitious goals.We are looking for a principal engineer to grow and lead a team of engineers who are developing and continually testing the cyber defenses of the Starshield network. This job will be hands-on and require breadth of experience in both software and security. A great candidate for this role appreciates a challenge, thrives on curiosity, and wants to make a difference in the world.RESPONSIBILITIES: Lead a team of cybersecurity engineers. This team's priority is to be prepared for immediate response to any active threat against our systems.Implement Starshield's cyber defense strategy. Continually assess the landscape of cyber threats and develop specific countermeasures for the Starshield systems. Continually run "red-team" style exercises to both discover vulnerabilities as well as to practice the tactics the team will deploy in the event of attacks.Lead vulnerability discovery efforts across Starshield. Run internal bug hunts to search for undiscovered vulnerabilities. Develop a team culture of continual curiosity and open-ended exploration. Utilize the latest tools, including AI, to accelerate both discovery and fixing of bugs in the system.Drive improvements into our incident discovery and response. This team will collaborate closely with the team building the internal systems we use to detect security events, and help drive improvement in our ability to discover active attempts at network intrusions.Work across teams to get results. This team will collaborate closely with the engineers implementing security features into our systems, as well as the team developing our internal incident discovery tools.BASIC QUALIFICATIONS:Bachelor’s degree in computer science, computer engineering, computer security, or a similar field, and 7+ years of professional experience in cybersecurity for active production systems; OR 10+ years of experience in cybersecurity for active production systems.Experience leading a team of direct reports.Experience in implementing systems for adversary detection and incident response.PREFERRED SKILLS AND EXPERIENCE:Expertise in computer networks and large-scale distributed compute platforms.Experience leading a team of 3-5 engineers on a technical project in cybersecurity.Expertise in vulnerability discovery and triage.Experience in continuity of operations planning.Experience with performing Blue Team or Red Team assessments.Ability to communicate technical concepts clearly to nontechnical audiences.Ability to deal with ambiguity and to learn new technologies quickly.Advanced degree in a technical or engineering discipline.Active Top Secret, Top Secret SCI, or DOE Level Q clearance.ADDITIONAL REQUIREMENTS:Must be willing to work extended hours and weekends as needed.This position requires successfully obtaining and maintaining a Top Secret Security Clearance as a condition of employment. While the clearance may not be immediately necessary upon hire, we encourage you to initiate the application process promptly upon accepting this offer. Your ability to secure the necessary clearance is essential for fulfilling key responsibilities of the role. Should you be unable to obtain it, SpaceX reserves the right to modify or terminate your employment to align with operational needs.COMPENSATION AND BENEFITS:Pay Range:Level 3: $225,000.00 - $340,000.00Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.Those with an active clearance will receive a 10% differential, up to an additional $20,000 annually, once officially briefed into a classified program.ITAR REQUIREMENTS:To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here. SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to View email address on click.appcast.io.
$210k - $340k
...actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.PRINCIPAL RFIC DESIGN ENGINEER (STARSHIELD SILICON)Starshield leverages SpaceX’s Starlink technology and launch capability to support national security...SuggestedPermanent employmentTemporary workWeekend work- ...actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL CYBERSECURITY ENGINEER (STARSHIELD)At SpaceX we’re leveraging our experience in building rockets and spacecraft to deploy the Starshield...SuggestedFull time
$145.6k - $276.8k
...is a growing business area in need of a qualified electrical engineer to support development and factory transition of state-of-the... ...electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of...SuggestedTemporary workApprenticeshipWork experience placementWorldwideRelocationFlexible hours$190k - $245k
...developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.MANAGER, ASIC DESIGN ENGINEERING (STARSHIELD) Starshield leverages SpaceX’s Starlink technology and launch capability to support national security efforts. While...SuggestedPermanent employmentTemporary workWeekend work$137k - $175k
...maritime sensing and smart power management systems, engineered to the highest levels of safety certification and built with embedded cybersecurity and advanced encryption capabilities. We are seeking an exceptional Principal RF Test Engineer to join our Advanced Systems...SuggestedPermanent employmentFlexible hours- ...is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL RF ENGINEER (STARSHIELD)Starshield leverages SpaceX’s Starlink technology and launch capability to support national security efforts. While...Full time
$150k
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...goals.What you need to have:Bachelor’s degree in Information Technology, Cybersecurity, or related field (Master’s preferred), OR equivalent experience leading enterprise-scale security engineering initiatives5+ years of progressive experience in cybersecurity, data...Full time$180k - $260k
...Connected”?THE OPPORTUNITYSilvus is seeking a full-time Principal Embedded Security Engineer who will report to Director of Software Engineering on... ...the best industry practices.Work with outside cybersecurity evaluation team to identify and close security gaps.Implement...Permanent employmentFull timeFor contractorsRelocation3 days per week$200k - $240k
...and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to... ...data; Windows domains and access control; centralized services; cybersecurity; and log and packet analysis. Deep hands‑on expertise in...Permanent employment$255k - $357k
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...SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.PRINCIPAL OPTICAL ENGINEER (STARFALL)SpaceX optical systems require a powerful blend of theoretical expertise, hands-on implementation skills, and a...Permanent employmentTemporary workWork experience placementWeekend work- ...with Honda’s, we want you to join our team to Bring the Future!Job PurposeThe senior North America (NA) Digital Workplace Client Engineer is responsible for engineering, implementing, and managing the full spectrum of North America's modern workplace endpoint platforms...Temporary workWork experience placementWork at officeRemote workRelocationRelocation package
$114k - $171k
...employees are not only part of history, they're making history. Northrop Grumman Aeronautics Systems is looking to add a Principal Human Factors Engineer to join our team. The position is located on site in Rancho Bernardo, California. This position can also be supported...Relocation packageShift work$169.4k - $186.4k
...Facilities Manager (SCIF/SAPF & Digital Engineering)Belong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high... ..., operations, science, program management, mission IT and cybersecurity solutions.Collaborative Environment: Be part of a dynamic team...Contract workTemporary workFor contractorsLocal areaRelocation package$161.1k - $241.7k
...part of history, they’re making history. The Western Region Engineering (WRE) of Northrop Grumman Space Systems Sector seeks to fill... ...in technical problem solving. ~ Technical depth in cybersecurity areas including but not limited to risk management framework,...Full timeRelocationMonday to ThursdayFlexible hoursShift work$120k - $160k
Job ID: 2616760-OTHLOC-170 Location: El Segundo, CA, US Date Posted: 2026-09-11 Category: Engineering and Sciences Subcategory: Digital Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret...Full timeRemote workShift work$138k - $193k
...techniques which allow power-hungry systems to do more with less. Job Summary: We are looking for an experienced structural analysis engineer to innovate on the next generation of HPM products. In this role, you will work closely with a talented engineering team to design...Permanent employmentWork at office$181.91k - $232.44k
...in Washington, DC and Huntsville, AL. Join Varda, and work to create a bustling in-space ecosystem.About this RoleAs a Principal Fluid Systems Engineer on Varda's Payload team, you will define and lead the development of first-of-its-kind electromechanical fluid...Permanent employment$172.18k - $273.46k
...some of the world’s most demanding industries. Our integrated engineering and manufacturing platform transforms complex designs into production... ...the boundaries of what can be built.PurposeWe're seeking a Principal Propulsion Test Engineer to architect, build, and operate...Temporary work- ...your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology... ...Systems and Operations Department is seeking a Principal Space Systems Engineer to serve as a...For contractorsInternshipLocal area
$178.6k - $215.8k
...development through all stages of conception, prototype, and productization. In this role, you will work closely with a talented engineering team in a fast-paced environment to apply emerging technologies in innovative ways to rapidly produce new products. Own systems integration...Permanent employmentWork at office- ...impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working in the public interest....InternshipLocal area
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...Washington, DC and Huntsville, AL. Join Varda, and work to create a bustling in-space ecosystem.About This Role As a Principal RF Components Engineer at Varda, you will play a pivotal role in ensuring seamless connectivity between our satellite vehicles and ground stations...Permanent employment$138k - $193k
...building, and testing radio frequency (RF) electronic packages, electromechanical assemblies, and large dynamic structures. This engineer will be expected to take designs from initial concept through design, analysis, prototyping, and production. This role requires a...Permanent employmentWork at office- Job DescriptionJob Summary:Mercury Systems offers Principal Electrical Engineers a fulfilling career where you will see the direct impact of your board designs in deployed systems with true end-to-end ownership. You're not just implementing requirements; you're architecting...Casual workWorldwide
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