{"id":3924240,"url":"https://alion.io/job/ensono-mainframe-security-engineer","title":"Mainframe Security Engineer","company":{"id":3084,"name":"Ensono","domain":"ensono.com","url":"https://alion.io/company/ensono","size_band":null,"is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":83,"open_postings":11,"ghost_share":0,"stale_share":0.636,"repost_share":0.091,"time_to_fill_p50_days":40,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":null,"employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ITIL","optional":true},{"name":"Outlook","optional":true}],"status":"live","first_seen_at":"2026-11-07T14:43:00Z","employer_posted_date":null,"last_verified_at":"2026-11-07T14:43:00Z","board_verified":false,"closed_at":null,"days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"Worker Type:EmployeeThe primary role of the Mainframe System Security Engineer is to create, modify and maintain security access on internal and external userids and security rules access for mainframe systems. All three security products, ACF2, Top Secret and RACF are utilized for supporting mainframe system access. In addition, they will review security policies, procedures, standards, baselines and may recommend and coordinate security remediation plans involving the implementation of security solutions, both technology and procedures; while maintaining an understanding of security standards, policies and procedures.Requirements:Basic Knowledge of Security and good security best practices\n\nHands-on administration of RACF, ACF2 and Top Secret login ID's, dataset and resource rules.\n\nMonitor system security policy and violations/incidents\n\nPerform and review daily, weekly, and monthly audit reports\n\nLiaison with business areas and other technical support areas\n\nProvide customer support by preparing ad hoc reports and giving presentations\n\nMonitors the environment for adherence to security standards\n\nMust be available 24 x7\n\nExperience using IBM zSecure security products\n\nExperience with REXX or any programming language is a plus\n\niSeries security knowledge a plus\n\nTechnical Skills:\nExcellent TSO, JCL, IBM UTILITIES, JES2, and ISPF a must\n\nExperience with CICS preferred\n\nExperience using Vanguard security products is desired\n\nGeneral Knowledge:Some MVS experience is a plus\nPC Skills (Microsoft Outlook, Word, Excel, PowerPoint)\nPersonal Skills:\nStrong written and verbal communication skills.\n\nStrong organizational skills with the ability to manage multiple concurrent project deliverables and the ability to work as a global team.\n\nAbility to work on own initiatives.\n\nStrong analytical skills and problem solving skills\n\nMust be an excellent team player with the ability to work independently in a fast paced environment\n\nSelf starter, detailed oriented and ability to multi task\n\nExcellent Communication skills required\n\nGood written skills are required\n\nEducation:\nCISSP, CISA, CISM or ITIL Certification a plus\n\nBachelors or Masters Degree Preferred\n\nOther mainframe security products a plus\n\nPrimary Location City/State:Downers Grove, IL - Finley, IllinoisAdditional Locations (if applicable):Homebased - Downers Grove, IL - FinleyEnsono is an Equal Employment Opportunity Employer. Ensono provides equal employment opportunities to all qualified applicants without regard to race, color, religion, national origin, ancestry, citizenship status, sex, marital status, pregnancy, age, disability, genetic information, sexual orientation, gender identity or expression, veteran status, military status, or any other status protected by applicable law.\nOriginally posted on Himalayas","description_format":"text","description_chars":2811,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Data Centers & Colocation","Managed IT Services (MSP)","Cloud Consulting & Migration"],"lifecycle":[{"event":"open","at":"2026-11-07T17:28:15Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 30 · green card filings: 2","filings_12m":30,"filings_prev_12m":21,"green_card_filings_12m":2,"median_offered_wage_usd":141563,"route":null,"cap_exempt":false,"checked_at":"2026-11-07T07:57:00+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":14},{"country":"GB","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-11-07T07:57:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":40,"reasons":["seen:0","win:early"],"computed_at":"2026-11-07T20:51:12Z"},"pay":null,"html_url":"https://alion.io/job/ensono-mainframe-security-engineer","json_url":"https://alion.io/job/ensono-mainframe-security-engineer.json","meta":{"generated_at":"2026-11-07T20:51:12Z","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":33332,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":3084},"rest":"https://alion.io/mcp/rest/get_company?id=3084"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fensono-mainframe-security-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%2Fensono-mainframe-security-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%2Fensono-mainframe-security-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/ensono-mainframe-security-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fensono-mainframe-security-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3924240}},{"tool":"search_jobs","arguments":{"company":"ensono.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3924240},"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"}}