{"id":187214,"url":"https://alion.io/job/leidos-principal-cybersecurity-engineer","title":"Principal Cybersecurity Engineer","company":{"id":7791,"name":"Leidos","domain":"leidos.com","url":"https://alion.io/company/leidos","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":78,"open_postings":275,"ghost_share":0.004,"stale_share":0.865,"repost_share":0.011,"time_to_fill_p50_days":28,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Security","role_family":"Security","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Adelphi, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":131300,"max":237350,"currency":"USD","period":"year","gross":null,"usd_annual":237350},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"FedRAMP","optional":false},{"name":"Agile","optional":true}],"status":"live","first_seen_at":"2026-09-01T20:58:48Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-10-30T19:33:54Z","board_verified":true,"closed_at":null,"days_open":58,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":58},"description":"Are you ready to provide technical leadership for a mission-critical cybersecurity environment supporting the Department of War (DoW)?\nLeidos is seeking a Principal Cybersecurity Engineer to support the C5ISR Center Cyber Security Service Provider (CSSP), a premier defensive cyber operations organization operating 24x7x365. The CSSP provides continuous monitoring, threat detection, incident response, and vulnerability management across a complex, multi-tenant enterprise environment.\nAs the Principal Cybersecurity Engineer, you will serve as Leidos' primary technical interface to the Government lead for Enterprise Cybersecurity. You will provide strategic and hands-on technical leadership across cybersecurity architecture, engineering, modernization, and technology integration.\nYou will evaluate emerging cybersecurity technologies, recommend and design enterprise solutions, and lead feasibility studies, proofs of concept, pilot projects, and other research and development initiatives designed to strengthen the customer's cybersecurity posture.\nLocation: Hybrid - 3 days on site at Adelphi, MD\nClearance: U.S. Citizenship with an active TS/SCI with SAP Eligibility\nRequired Certifications: CISSP\nPrimary Responsibilities:\nLead the design, architecture, integration, and implementation of complex enterprise cybersecurity systems and supporting technologies.\n\nServe as a senior technical advisor to Government stakeholders and Leidos leadership on enterprise cybersecurity strategy, architecture, risk, and modernization.\n\nAssess organizational progress against cybersecurity strategies and develop recommendations aligned with mission objectives and stakeholder priorities.\n\nEvaluate emerging cybersecurity technologies and lead feasibility studies, proofs of concept, pilot programs, and technology assessments.\n\nAssess enterprise cybersecurity risk, including weaknesses in platforms, access controls, system configurations, networks, applications, and data environments.\n\nProvide engineering leadership for the design, development, and implementation of solutions that protect and monitor enterprise networks and systems.\n\nLead the development and integration of innovative cybersecurity solutions through collaboration with engineering, operations, cybersecurity, Government, and industry experts.\n\nIdentify security-relevant data, technologies, and capabilities across on-premises, hybrid-cloud, and multi-cloud environments and provide formal technical recommendations to stakeholders.\n\nGuide cybersecurity modernization initiatives, including the migration of services, applications, and data from on-premises environments to hybrid and multi-cloud architectures.\n\nEngage with technology vendors, evaluate solutions, and recommend technologies for enterprise implementation.\n\nInfluence technical and organizational change by communicating complex cybersecurity concepts, recommendations, and approaches to technical and executive stakeholders.\n\nBasic Qualifications:\nBachelor's degree in Cybersecurity, Computer Science, Information Technology, Engineering, or a related technical discipline with 12+ years of relevant IT/cybersecurity experience. Four additional years of relevant experience may be considered in lieu of a degree.\n\n4+ years of cybersecurity engineering experience directly supporting the Federal Government as a Government or contractor employee.\n\nExtensive experience developing and executing migration strategies for services, applications, or data moving from on-premises environments to hybrid or multi-cloud architectures.\n\nStrong knowledge and operational experience with Federal cybersecurity requirements and frameworks, including NIST, FISMA, and FedRAMP.\n\nDeep understanding of cybersecurity architecture, technical platforms, threat management, security controls, and industry best practices.\n\nExperience identifying security-relevant data and technologies across on-premises and cloud environments and developing technical solutions for evolving mission requirements.\n\nExperience evaluating vendors, designing technical solutions, and selecting cybersecurity technologies for enterprise implementation.\n\nBroad technical knowledge across enterprise IT, systems engineering, cybersecurity engineering, IT lifecycle methodologies, modernization, and transformation.\n\nDemonstrated ability to influence stakeholders and gain support for new technologies, concepts, practices, and approaches.\n\nExperience leading technical transformation and improving enterprise cybersecurity services and capabilities.\n\nCISSP certification\n\nU.S. citizenship with an active Top Secret clearance and eligibility to obtain a SCI.\n\nExceptional written and verbal communication skills with the ability to engage technical teams, Government stakeholders, and senior leadership.\n\nPreferred Qualifications:\nActive Top Secret/SCI clearance.\n\nAdditional cybersecurity certifications such as CISM, CISSP-ISSEP, GSLC, or CCISO.\n\nKnowledge of Agile project management principles and methodologies.\n\nExperience supporting both classified and unclassified environments.\n\nExperience supporting Security Operations Center (SOC) environments and multi-tenant cybersecurity operations.\n\nIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.\nOriginal Posting:\nSeptember 1, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.\nPay Range:\nPay Range $131,300.00 - $237,350.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.","description_format":"text","description_chars":6279,"description_truncated":false,"requirements":{"experience_years_min":12,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","National Security","C4ISR"],"lifecycle":[{"event":"open","at":"2026-09-01T20:58:48Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 50 · green card filings: 24","filings_12m":50,"filings_prev_12m":58,"green_card_filings_12m":24,"median_offered_wage_usd":124257,"route":null,"cap_exempt":false,"checked_at":"2026-10-29T16:27:21+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":4}],"liveness":{"score":13,"band":"cold","label":"Long shot","p_open":1,"p_active":0.481,"p_room":0.28,"age_days":58,"expected_fill_days":28,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":237350,"is_top_pay":true},"html_url":"https://alion.io/job/leidos-principal-cybersecurity-engineer","json_url":"https://alion.io/job/leidos-principal-cybersecurity-engineer.json","meta":{"generated_at":"2026-10-30T20:02:06Z","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":9759,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":7791},"rest":"https://alion.io/mcp/rest/get_company?id=7791"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fleidos-principal-cybersecurity-engineer"},{"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%2Fleidos-principal-cybersecurity-engineer"},{"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%2Fleidos-principal-cybersecurity-engineer"},{"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/leidos-principal-cybersecurity-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fleidos-principal-cybersecurity-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":187214}},{"tool":"search_jobs","arguments":{"company":"leidos.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":187214},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}