{"id":3033016,"url":"https://alion.io/job/mantech-principal-cybersecurity-engineer","title":"Principal Cybersecurity Engineer","company":{"id":179527,"name":"ManTech","domain":"mantech.com","url":"https://alion.io/company/mantech","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":87,"ghost_share":0,"stale_share":0,"repost_share":0.011,"time_to_fill_p50_days":12,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Security","role_family":"Security","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":148200,"max":263000,"currency":"USD","period":"year","gross":null,"usd_annual":263000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MITRE ATT&CK","optional":false},{"name":"MITRE D3FEND","optional":false},{"name":"Zero Trust","optional":false}],"status":"live","first_seen_at":"2026-10-21T20:44:01Z","employer_posted_date":"2026-10-21","last_verified_at":"2026-10-24T22:07:31Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!\n***This is for a future opportunity***\nMANTECH seeks a motivated, career, and team-oriented Principal Cybersecurity Engineer to support a major federal homeland security program in Washington, DC or Chandler, AZ.\nAs part of this mission, you will serve as a senior technical authority driving enterprise-wide threat defense, operational resilience, and advanced security analytics. This is a unique opportunity to mature security operations for a large-scale federal SOC, leveraging continuous threat exposure models, zero trust principles, and next-generation security automation.\nKey Responsibilities:\nImplement, optimize, and tune comprehensive offensive and defensive security capabilities across complex, enterprise-scale environments.\nLead end-to-end incident handling, including scoping, timeline reconstruction, root cause analysis, and impact assessment across cloud, network, endpoint, and mobile infrastructures. \nPerform static and dynamic malware reverse engineering (sandboxing, code analysis) to extract Indicators of Compromise (IOCs) and analyze C2 infrastructure. \nAlign security architecture, detection tools, and incident telemetry with MITRE ATT&CK and D3FEND frameworks. \nCorrelate digital forensics findings with threat intelligence, SOC alerts, and adversary Tactics, Techniques, and Procedures (TTPs). \nProvide expert guidance on network security architecture, operating system hardening, and multi-cloud security posture management. \nMinimum Qualifications:\nBachelor’s Degree in Cybersecurity, Computer Science, Information Technology, or a related field. \nMinimum of 5 years of specialized cybersecurity experience in enterprise or federal SOC environments. \nMust hold at least ONE primary certification: CISSP (or Associate), CCSP, SSCP, GMON, GCIH, GCIA, CEH, or CASP+. \nMust hold at least ONE secondary certification from the DoD 8140 CSSP Analyst, Infrastructure Support, or Incident Responder list. \nDemonstrated hands-on experience with security event correlation tools, digital forensics, and binary analysis. \nPreferred Qualifications:\nMaster’s Degree in a technical discipline. \nDirect experience supporting federal cyber defense operations (DHS, DoD, or IC). \nPractical knowledge of Zero Trust Architecture (ZTA) implementation and cloud-native security controls. \nClearance Requirements:\nActive Secret Clearance required; must be eligible to obtain and maintain a Top Secret/SCI Clearance. \nMust be a U.S. Citizen and able to obtain and maintain agency suitability/EOD prior to starting. \nPhysical Requirements:\nMust be able to remain in a stationary position 50% of the time.\nOccasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers and customers.\nThe projected compensation range for this position is $148,200.00-$263,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.\nMANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.\nIf you need a reasonable accommodation to apply for a position with MANTECH, please email us at  and provide your name and contact information.","description_format":"text","description_chars":4371,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":true,"languages":[]},"benefits":["Health insurance","Life insurance","Wellness"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","National Security","IT Consulting & Digital Transformation"],"lifecycle":[{"event":"open","at":"2026-10-21T20:44:01Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":12,"reasons":["conf:3","velocity","win:early","comp:brand"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":263000,"is_top_pay":true},"html_url":"https://alion.io/job/mantech-principal-cybersecurity-engineer","json_url":"https://alion.io/job/mantech-principal-cybersecurity-engineer.json","meta":{"generated_at":"2026-10-25T01:22:55Z","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":2137,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-26T00:00:00Z"}},"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":179527},"rest":"https://alion.io/mcp/rest/get_company?id=179527"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmantech-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%2Fmantech-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%2Fmantech-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/mantech-principal-cybersecurity-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmantech-principal-cybersecurity-engineer"}]}