{"id":2688025,"url":"https://alion.io/job/sentinel-technologies-network-security-engineer-senior","title":"Network Security Engineer, Senior","company":{"id":4436595,"name":"Sentinel Technologies","domain":"sentineltechno.com","url":"https://alion.io/company/sentinel-technologies","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":null},"role":"Security","role_family":"Security","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Downers Grove, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":100000,"max":150000,"currency":"USD","period":"year","gross":null,"usd_annual":150000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"VMWare","optional":true}],"status":"live","first_seen_at":"2026-10-16T08:14:03Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-17T11:54:33Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Responsibilities\nSentinel Technologies is searching for a passionate and experienced Senior Network Security Engineer who thrives in a fast-paced, solutions-driven environment. As a Senior Network Security Engineer you will design, implement, and configure secure network solutions for mid-to-enterprise-level clients using cutting-edge technologies. Your commitment to customer satisfaction and highly available and secure solutions will position you for success. Sentinel a growing MSP recognized by industry leaders across the country. Sentinel excels with the ability to support our teams professionally across our organization to be successful and at the forefront of technologies. This is a full-time position that can work remote when not needed at client locations reporting to our corporate headquarters in Downers Grove, Illinois.\nWhat You’ll Do:\nDesign, implement, and support secure network solutions for a variety of client environments.\nWork hands-on with Cisco routers and switches to optimize and secure network infrastructure.\nDeploy and manage Cisco, Palo Alto, and Fortinet firewall solutions.\nArchitect and implement large-scale network security solutions (3+ years of experience required).\nConfigure and maintain Cisco Security products such as ISE, FDT, FMC, AMP, and Umbrella.\nPerform migrations and upgrades across various network and security platforms.\nImplement wireless networks using Cisco Wireless LAN controllers in both centralized and converged access deployments.\nWork with Cisco ACI and SD-WAN (experience in these areas is a plus).\nProvide exceptional customer support and act as a trusted advisor to clients.\nQualifications\n8+ years of experience working with Cisco, Palo Alto, and/or Fortinet solutions \nHands-on experience with Cisco routers and switches is required \n5+ years of experience designing and implementing large scale network security solutions \nCCNP Certification or equivalent manufacture certification or higher is preferred \nExperience with Cisco Security products such as FDT, FMC, AMP, Umbrella \nExperience in performing migrations and upgrades on various platforms is a plus \nFamiliar implementing wireless networks with Cisco wireless LAN controllers using both traditional centralized deployments as well as converged access is a plus \nCisco ACI and SD WAN experience is a plus\nThe candidate must have a car, as this position requires travel between location and the transportation of equipment \nA valid driver’s license and proof of vehicle insurance will be required\nLegally authorized to work in the US without sponsorship\nMust demonstrate a “can-do” attitude\nWe focus on candidates that display our “ACE” factor - Attitude, Compassion, and Enthusiasm to deliver quality solutions with exceptional customer service.Compensation: $100,000 - $150,000\nWhat you get:We offer an energetic work environment with many corporate culture amenities, competitive salary, and rich benefit plan including: Medical, Dental, Vision, 401K, 529, Life Insurance, Income Protection Short and Long-Term Disability, Medical and Child/Elder Care, Flexible Spending Account Plans, Family Planning Benefits, Financial Education, Identity Theft Protection and Assistance, Legal Services, Employee Assistance Program, Two weeks’ vacation, additional paid time-off for Personal and Sick, certification and hands-on training, and employee discount for product services and entertainment.\nOverview\nMOTIVATED…..make IT happen!\nSentinel Technologies, Inc. has been rated a top workplace every year since 2012!\nAbout Us:\nSentinel delivers solutions that can efficiently address a range of IT needs - from security, to communications, to systems & networks, to software applications, to cloud and managed services; all of which include our staffing solutions for our clients. Since 1982, Sentinel has grown from providing technology maintenance services to our current standing as one of the leading IT services and solutions provider in the US. We have aligned with many of today’s global technology leaders including Cisco, Dell, VMware and Microsoft. Sentinel services customers both nationally and internationally with primary support operating centers in Downers Grove (HQ), Chicago, and Springfield, IL; Phoenix, AZ.; Lansing, and Grand Rapids, MI; Milwaukee, WI; and Denver, CO.\nIf you are MOTIVATED… you can make IT happen at Sentinel. Our commitment to our employees is to create a work environment that encourages creativity, an entrepreneurial spirit, fosters growth through certification and hands-on training, and values a team-oriented culture with rewards based on impact!\nIf you share our passion about what technology can do and want to be part of a top workplace environment - we’d like to have you join our team. Learn more at www.sentinel.com/careers.\nAs part of Sentinel's employment process, candidates will be required to complete a background check. Only those who meet the minimum requirements will be contacted. No phone calls please.\nSentinel is proud to be an equal opportunity employer including disability and veterans. In accordance with Title VII and state regulations, all qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, marital status, pregnancy, genetics, disability, military, veteran status or any other basis protected by law.\nIf you are an individual with a disability and need assistance in applying for a position, please contact .\nJFNDNP","description_format":"text","description_chars":5553,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["401k plan","Life insurance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Artificial Intelligence"],"lifecycle":[{"event":"open","at":"2026-10-16T08:14:03Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":28,"reasons":["conf:0","win:early"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":150000,"is_top_pay":false},"html_url":"https://alion.io/job/sentinel-technologies-network-security-engineer-senior","json_url":"https://alion.io/job/sentinel-technologies-network-security-engineer-senior.json","meta":{"generated_at":"2026-10-17T13:13:21Z","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":17718,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":4436595},"rest":"https://alion.io/mcp/rest/get_company?id=4436595"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsentinel-technologies-network-security-engineer-senior"},{"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%2Fsentinel-technologies-network-security-engineer-senior"},{"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%2Fsentinel-technologies-network-security-engineer-senior"},{"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/sentinel-technologies-network-security-engineer-senior\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsentinel-technologies-network-security-engineer-senior"}]}