{"id":3712110,"url":"https://alion.io/job/l3harris-technologies-manager-information-security-systems-engineer","title":"Manager, Information Security Systems Engineer","company":{"id":177017,"name":"L3Harris Technologies","domain":"l3harris.com","url":"https://alion.io/company/l3harris-technologies","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":100,"open_postings":53,"ghost_share":0,"stale_share":0.019,"repost_share":0.038,"time_to_fill_p50_days":21,"computed_at":"2026-11-09T06:03:00Z"}},"role":"Security","role_family":"Security","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Greenville, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":13,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Fortify","optional":false},{"name":"LDAP","optional":false},{"name":"Linux","optional":false},{"name":"NIST 800-53","optional":false}],"status":"live","first_seen_at":"2026-11-03T23:43:17Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-09T00:40:40Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Job Title: Manager, Information Security Systems Engineering (ISSE)\nJob Code: 47069\nJob Location: Greenville, TX\nJob Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off\nJob Description:\nL3Harris is seeking an Information Security Systems Engineering (ISSE) Manager to lead the Accreditation, Authorization and Audit team in managing and implementing secure systems. This role focuses on ensuring the security of information systems, networks, and data throughout their lifecycle. Key responsibilities include leading security engineering activities, developing and implementing security solutions, and ensuring compliance with relevant standards and regulations. Works closely with Government customers and the engineering development teams to ensure that the security protection needs, concerns and requirements are defined and implemented with appropriate fidelity and rigor, early and in a sustainable manner throughout the life cycle of system that results in obtaining an ATO.\nEssential Functions:\nAbility to obtain a US TS/SCI security clearance.\n10% travel based on business needs.\nCommunicates within and outside of the organization to influence leadership to accept new practices, approaches, and concepts.\nTrack all assigned systems for A&A (Assessment and Authorization) status and oversee accreditation/re-accreditation actions.\nEstablish a rigorous audit program to support all assigned programs.\nResponsible for improving upon existing processes or establishing new processes and systems.\nCultivate relationships with engineering teams to decide on best implementation paths to meet security objectives.\nLeadership and Communications skills.\nForecast Systems Engineering Manpower needs based on Program and Potential demand forecast.\nEstablish training requirements for continued professional development of the team to meet business goals.\nResponsible for creating workforce and staffing plans.\nAble to socialize ideas, make recommendations, and gain team consensus.\nWork is 100% on-site and cannot be accomplished remotely.\nQualifications:\nBachelor’s Degree and minimum 9 years of prior ISSE experience.\nGraduate Degree and a minimum of 7 years of prior ISSE experience.\nIn lieu of a degree, a minimum of 13 years of prior ISSE experience.\nCompTIA Sec+ certification.\nDemonstrated experience leading and establishing guidance and accountability.\nExperience with Xacta or eMASS.\nDemonstrated understanding of Risk Management Framework process and best practices for vulnerability management and compliance.\nDemonstrated experience with risk management framework based on NIST 800-53 documentation.\nDemonstrated experience overseeing ATO (Authority to Operate) processes.\nDemonstrated experience developing and managing POA&Ms associated with the A&A and processes.\nDemonstrated experience authoring and updating A&A body of evidence (BOE) documentation and Security Relevant Changes.\nDemonstrated understanding of networking.\nPreferred Additional Skills\nRequirements Management.\nProposal Development.\nUnderstanding of Linux audit and logging system architecture.\nUnderstanding of directory services - Active Directory and LDAP.\nUnderstand computer networking and familiarity with NIST publications.\nExperience in application hardening through code scanning (with tools like Coverity/Fortify) and mitigating findings.\nCertifications - Sec+, CySA, CASP, CISSP.\nTS/SCI and CI Poly","description_format":"text","description_chars":3456,"description_truncated":false,"requirements":{"experience_years_min":13,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Professional development"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["C4ISR","Military Satellites","Military Communication","Electronic Warfare"],"lifecycle":[{"event":"open","at":"2026-11-03T23:43:17Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 5","filings_12m":5,"filings_prev_12m":7,"green_card_filings_12m":0,"median_offered_wage_usd":107500,"route":null,"cap_exempt":false,"checked_at":"2026-11-09T07:32:21+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":0}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":5,"expected_fill_days":21,"reasons":["conf:5","velocity","win:early","comp:brand"],"computed_at":"2026-11-09T06:03:00Z"},"pay":null,"html_url":"https://alion.io/job/l3harris-technologies-manager-information-security-systems-engineer","json_url":"https://alion.io/job/l3harris-technologies-manager-information-security-systems-engineer.json","meta":{"generated_at":"2026-11-09T11:29:01Z","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":13415,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-10T00:00:00Z"}},"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":177017},"rest":"https://alion.io/mcp/rest/get_company?id=177017"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fl3harris-technologies-manager-information-security-systems-engineer"},{"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%2Fl3harris-technologies-manager-information-security-systems-engineer"},{"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%2Fl3harris-technologies-manager-information-security-systems-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/l3harris-technologies-manager-information-security-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fl3harris-technologies-manager-information-security-systems-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3712110}},{"tool":"search_jobs","arguments":{"company":"l3harris.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3712110},"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"}}