{"id":3729008,"url":"https://alion.io/job/parsons-senior-cyber-security-engineer-isso","title":"Senior Cyber Security Engineer / ISSO","company":{"id":4937,"name":"Parsons","domain":"parsons.com","url":"https://alion.io/company/parsons","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":81,"open_postings":359,"ghost_share":0,"stale_share":0.978,"repost_share":0.003,"time_to_fill_p50_days":19,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Security","role_family":"Security","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Huntsville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[],"status":"live","first_seen_at":"2026-11-03T00:00:00Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-10T07:34:38Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.Job Description:\nParsons is looking for an amazingly talented, motivated, and customer-oriented Senior Cyber Security Engineer / Information Systems Security Officer (ISSO) to join our team! In this role you will be part of Parsons’ Federal Solutions team providing Systems Engineering Technical Assistance to the Ground-based Midcourse Dense (GMD) Product Office under the Teams-Next Missile Defense Systems Engineering (TN-MDSE) contract managed by the Missile Defense Agency.\nWhat You'll Be Doing:\nServe as a member of the cybersecurity team, developing system Security Plans (SSPs), Interim Authority to Test (IATT), Authority to Connect (ATC) and, Authority to Operate (ATO) packages.\nPerform analysis to validate established security requirements and recommends additional security requirements and safeguards where required.\nPeriodically conduct reviews of each system’s audits and monitors corrective actions until all actions are closed.\nEnsure that system security artifacts are developed, reviewed, and updated as needed.\nConfirm that all RMF requirements are properly addressed and required artifacts are loaded and managed within Enterprise Mission Assurance Support Service (eMASS).\nInterface with other cyber teams to review RMF Contract Data Requirements Lists (CDRLs) and ensure timely delivery of CDRL artifacts, while providing feedback to ensure the sufficiency and quality of cyber artifacts.\nPerform vulnerability/risk analyses of systems using expertise in relevant information systems security.\nTrack and monitor Plan of Action and Milestones (POA&Ms).\nConduct reviews of cybersecurity artifacts and technical briefings and work with customer to resolve any findings.\nEnsure that identified security controls are implemented and operating as intended through all phases of the lifecycle.\nTrack deliverables (i.e., artifacts, schedules, and metrics).\nContribute to and may lead the planning and implementation of large programs in the function and regularly interfaces with senior management and executive leadership.\nLead, mentor, and provide guidance and instructional aide to Associate and Junior ISSOs.\nAssist in overall functional strategic planning.\nWhat Required Skills You'll Bring:\nActive Secret clearance\nBachelor's Degree in Engineering or an equivalent technical/scientific discipline specifically related to area of specialty and 10+ years of related professional experienceAdvanced degree may be preferred at this level \n\nDemonstrated abilities to analyze complex problems, identify root causes, and develop actionable recommendations with effective solutions.\nKnowledge to perform technical work utilizing the Risk Management Framework (RMF) process including analyzing and solving Information Assurance (IA)-related technical problems.\nAbility to establish strict program control processes to ensure mitigation of risks and supports for obtaining certification and accreditation of systems. This includes process support, analysis support, coordination support, security certification test support, security documentation support, investigations, software research, hardware introduction and release, emerging technology research inspections, and periodic audits.\nWhat Desired Skills You'll Bring:\nMaster's Degree in STEM and 12+ years working on missile defense-related or other complex, large DoD program / project\nMDA experience and knowledge of MDA processes\n Security Clearance Requirement:\nAn active Secret security clearance is required for this position.This position is part of our Federal Solutions team.The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.Salary Range: $134,100.00 - $241,400.00We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest-APPLY TODAY!Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.","description_format":"text","description_chars":5512,"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":["Flexible schedule","Growth opportunities","Life insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","C4ISR","Information Security","Civil & Structural Engineering"],"lifecycle":[{"event":"open","at":"2026-11-04T07:01:16Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 1 · green card filings: 1","filings_12m":1,"filings_prev_12m":1,"green_card_filings_12m":1,"median_offered_wage_usd":167500,"route":null,"cap_exempt":false,"checked_at":"2026-11-10T11:34:35+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":1}],"liveness":{"score":57,"band":"ok","label":"Likely open","p_open":1,"p_active":0.63,"p_room":0.9,"age_days":7,"expected_fill_days":19,"reasons":["conf:5","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-11-10T06:52:35Z"},"pay":null,"html_url":"https://alion.io/job/parsons-senior-cyber-security-engineer-isso","json_url":"https://alion.io/job/parsons-senior-cyber-security-engineer-isso.json","meta":{"generated_at":"2026-11-10T13:22:51Z","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":31140,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4937},"rest":"https://alion.io/mcp/rest/get_company?id=4937"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fparsons-senior-cyber-security-engineer-isso"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fparsons-senior-cyber-security-engineer-isso"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fparsons-senior-cyber-security-engineer-isso"},{"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/parsons-senior-cyber-security-engineer-isso\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fparsons-senior-cyber-security-engineer-isso"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3729008}},{"tool":"search_jobs","arguments":{"company":"parsons.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3729008},"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. 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