{"id":437339,"url":"https://alion.io/job/astranis-senior-product-security-engineer-applications","title":"Senior Product Security Engineer (Applications)","company":{"id":171728,"name":"Astranis","domain":"astranis.com","url":"https://alion.io/company/astranis","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":83,"open_postings":93,"ghost_share":0,"stale_share":0.495,"repost_share":0,"time_to_fill_p50_days":95,"computed_at":"2026-10-27T05:46:45Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":285000,"currency":"USD","period":"year","gross":null,"usd_annual":285000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"OWASP Top 10","optional":false},{"name":"Python","optional":false},{"name":"Threat Modeling","optional":false}],"status":"live","first_seen_at":"2026-03-26T23:03:18Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-28T00:28:34Z","board_verified":true,"closed_at":null,"days_open":215,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":214},"description":"Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe - large enterprises, sovereign governments, and the US military. \nWith five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization.\nAstranis has raised over $1.2 billion from some of the world’s best investors, including Andreessen Horowitz, Baillie Gifford, Blackrock, Fidelity, Franklin Templeton, and Snowpoint, and employs a team of 500 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.\nSenior Product Security Engineer\nAs a Senior Product Security Engineer, you will help secure both the software and embedded components that power our systems. This hybrid role focuses primarily on product/application security while contributing to embedded security reviews where software and hardware intersect. You will guide secure design, evaluate critical components, and partner closely with engineering teams across the stack to ensure our products are secure by default. This role does not expect deep hardware hacking but requires a broad security mindset to provide expertise where embedded systems and software meet.\nRole\nLead threat modeling, architecture reviews, and design-level risk assessments for both application and embedded system components.\nConduct secure code reviews for critical modules in Python and C/C++, supporting secure coding practices across all engineering teams.\nEvaluate cryptographic usage, authentication/authorization flows, and protocol security across the stack.\nIdentify and prioritize vulnerabilities in software and firmware; partner with developers on remediation and mitigation strategies.\nParticipate in security assessments of embedded devices, especially where software interfaces with hardware.\nProvide security input on high-level aspects of secure boot, firmware update integrity, and device identity mechanisms.\nPartner with software, firmware, hardware, and systems teams to implement consistent, secure solutions.\nRequirements\n5+ years of experience in software engineering with a focus on security.\nStrong investigative, analytical problem-solving skills and attention to detail.\nExperience with secure architecture design and threat modeling for complex systems (including both web services and IoT/embedded devices).\nSoftware development and security expertise in both high-level languages (e.g., Python) and low-level languages (e.g., C, C++).\nExperience with security best practices for web applications (OWASP Top 10) and familiarity with embedded security concepts (e.g., secure boot, JTAG, UART).\nProven ability in auditing code for security flaws across different technology stacks.\nStrong knowledge of security best practices, applied cryptography, and security frameworks.\nStrong communication skills, with the ability to discuss security with both software and hardware engineers.\nAbility to work collaboratively within a multi-disciplinary team environment.\nWhat we offer: \nAll our positions offer a compensation package that includes equity and robust benefits.\nBase pay is just one component of Astranis’s total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals.\nAstranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources. The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position.\nBase Salary\n$180,000—$285,000 USD\nU.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required\n(To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3))\nOur mission and products are built for everyone, regardless of gender, race, creed, or background. We believe in a diverse and inclusive workplace, and we invite all people to join our team and bring their unique perspectives to make us stronger.\nAstranis SMS Terms of Service\nRecruiting Updates: By opting in, you agree to receive SMS updates, interview coordination, and recruiting communications from Astranis Space Technologies Corp.\n\nOpt-Out: You can cancel this service at any time by replying STOP. We will send one final text confirming your unsubscription.\n\nOpt-In Again: To resume receiving messages, reply START or YES.\n\nSupport & Rates: For assistance, reply HELP or contact us at . Message and data rates may apply. Message frequency varies; carriers are not liable for delayed or undelivered messages.\n\nPrivacy: For details on how we protect your data, view our Privacy Policy.","description_format":"text","description_chars":5414,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Life insurance","Retirement plans","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Communications","Satellite Manufacturing"],"lifecycle":[{"event":"open","at":"2026-09-06T07:11:32Z"}],"visa":[],"liveness":{"score":16,"band":"cold","label":"Long shot","p_open":1,"p_active":0.585,"p_room":0.28,"age_days":214,"expected_fill_days":95,"reasons":["conf:3","win:tail","crowd:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":285000,"is_top_pay":true},"html_url":"https://alion.io/job/astranis-senior-product-security-engineer-applications","json_url":"https://alion.io/job/astranis-senior-product-security-engineer-applications.json","meta":{"generated_at":"2026-10-28T02:18:16Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":3088,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":171728},"rest":"https://alion.io/mcp/rest/get_company?id=171728"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fastranis-senior-product-security-engineer-applications"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fastranis-senior-product-security-engineer-applications"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fastranis-senior-product-security-engineer-applications"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/astranis-senior-product-security-engineer-applications\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fastranis-senior-product-security-engineer-applications"}]}