{"id":3774900,"url":"https://alion.io/job/david-clark-company-senior-system-infrastructure-engineer","title":"SENIOR SYSTEM INFRASTRUCTURE ENGINEER","company":{"id":2232763,"name":"David Clark Company","domain":"davidclarkcompany.com","url":"https://alion.io/company/davidclarkcompany","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"DevOps","role_family":"DevOps","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":["Worcester, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":170000,"currency":"USD","period":"year","gross":null,"usd_annual":170000},"salary_estimate":null,"experience_years_min":15,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"SQL","optional":false},{"name":"TCP/IP","optional":false},{"name":"VMWare","optional":false},{"name":"VPN","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2026-11-04T22:57:27Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-11T19:12:04Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Hours: 7am - 3:30pm\n100% On-site\nJOB SUMMARY:\nThe Senior System Infrastructure Engineer will design, maintain, secure, and support our enterprise technology infrastructure. This is a hands-on senior technical role responsible for server virtualization, enterprise storage, Windows Server systems, networking, firewalls, VPN connectivity, wireless infrastructure, cybersecurity, and related technology platforms.\nDUTIES/RESPONSIBILITIES:\nThe requirements listed below are representative of the essential duties required:\nDesign, install and configure internal and customer-facing servers, network devices, and firewalls.\nProactively manage and maintain the server, network, and firewall systems.\nAdminister and support Microsoft Exchange on premises and online.\nAdminister and support core Microsoft, Cisco, and VMware technologies.\nDevelop and implement project plans, risk assessments, and contingency plans.\nDesign and implement monitoring, configuration management, and reporting functions that will make a hands-off environment.\nDefine and document best practices and support procedures.\nProvide after-hours support for Infrastructure related emergencies as well as occasional weekend maintenance.\nAssist with hardware, firewall, telecom, and software vendor evaluation, recommendation, and negotiations.\nMentor/cross-train team members on existing and new technologies.\nCarry out special tasks at Management's direction.\nInteract with vendors and staff at the technical level, as required.\nOther duties as assigned.\nLEVEL OF RESPONSIBILITY:\nEmployee may work independently, but work is often reviewed by immediate supervisor.\nEmployee exercises broad discretion on matters of significance within functional areas.\nEmployee advises others within the organization on matters within area of expertise.\nREQUIRED SKILLS/ABILITIES:\nAdvanced knowledge of Windows Operating Systems current and legacy versions.\nManaging at least 50 Windows Server infrastructure.\nExperience with Microsoft Entra, Exchange, M365, Intune, and Defender.\nStrong hands-on experience with VMware vSphere, ESXi, and vCenter.\nStrong experience administering NetApp storage systems.\nAdvanced knowledge of Microsoft Windows Server 2019 or newer.\nStrong knowledge of Active Directory, Group Policy, DNS, and DHCP.\nExperience administering and troubleshooting Cisco ASA firewalls.\nStrong knowledge of site-to-site and remote-access VPN technologies.\nStrong understanding of TCP/IP, VLANs, subnetting, routing, switching, and network segmentation.\nHands-on experience supporting Cisco Meraki switches and wireless access points.\nStrong understanding of cybersecurity principles, including infrastructure hardening, vulnerability management, patching, secure access, and network security.\nExperience with backup, disaster recovery, and business continuity technologies.\nExperience troubleshooting complex server, network, storage, firewall, VPN, and infrastructure problems.\nStrong technical documentation and organizational skills.\nDemonstrated ability to independently manage complex technical projects and issues.\nStrong written and verbal communication skills.\nAbility to communicate effectively with technical teams, business users, vendors, and management.\nPREFFERED SKILLS/ABILITIES:\nAbility to support a legacy VAX Environment.\nSQL, VB.net, HTML Coding Skills.\nExperience with Nutanix AHV, Prism Central, Prism Element, or Nutanix hyperconverged infrastructure is highly desirable.\nEDUCATION AND EXPERIENCE:\nBachelor’s degree in computer science (or related area) preferred.\n15 or more years of experience with advanced networking in a corporate environment.\nOne or more of the following certifications:\nVMware Certified Professional (VCP)\nCisco CCNA or CCNP\nMicrosoft certifications\nNetApp Certified Data Administrator\nNutanix Certified Professional\nCISSP or similar cybersecurity certification\nWORKING CONDITIONS AND PHYSICAL REQUIREMENTS:\nThe work environment characteristics described here are representative of those encountered while performing the essential functions of this job.\nPhysical Demands/Efforts\nOccasional physical exertion including the lifting of objects exceeding 20 pounds.\nRepetitive hand motions.\nOccasional strenuous walking, standing, bending, and climbing.\nWorking in an office environment with frequent work in the factory.\nMental & Visual Demands/Efforts\nSignificant level of mental concentration required to manage multiple complex tasks.\nMaintain emotional control under stress, hectic pace, and work with frequent interruptions.\nWork requires frequent visual effort for extended periods of time.\nWork Environment and Hazards\nRegular work in utility closets, cable chases, and above suspended ceilings.\nSome exposure to hazards that might cause minor injury.\nOccasional prolonged and irregular work hours.\nMay be required to be on-call after hours.\nOccasional Travel to our subsidiary in Milford, CT.\nTravel may be required for off-site training.\nAMERICANS WITH DISABILITIES ACT\nDavid Clark Company complies with all aspects of the Americans with Disabilities Act (ADA) and state disability laws. This means that we will not discriminate against qualified individuals with a disability in any phase of the employment relationship including application for employment, hiring, promotions and/or advancement opportunities, termination, compensation, training and any other conditions or privileges of employment.\nThis job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities. Duties, responsibilities and activities may change, or new ones may be assigned at any time with or without notice.\nEqual Employment Opportunity Policy\nDavid Clark provides equal employment opportunities to all employees and applicants for employment andprohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.\nThis policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.","description_format":"text","description_chars":6290,"description_truncated":false,"requirements":{"experience_years_min":15,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Headphones & Audio","Information Security","Safety & Protective Equipment"],"lifecycle":[{"event":"open","at":"2026-11-04T22:57:27Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":6,"expected_fill_days":29,"reasons":["conf:3","win:early"],"computed_at":"2026-11-11T05:49:22Z"},"pay":{"stated_usd_annual":170000,"is_top_pay":true},"html_url":"https://alion.io/job/david-clark-company-senior-system-infrastructure-engineer","json_url":"https://alion.io/job/david-clark-company-senior-system-infrastructure-engineer.json","meta":{"generated_at":"2026-11-11T21:51:37Z","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":43110,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"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":2232763},"rest":"https://alion.io/mcp/rest/get_company?id=2232763"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdavid-clark-company-senior-system-infrastructure-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%2Fdavid-clark-company-senior-system-infrastructure-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%2Fdavid-clark-company-senior-system-infrastructure-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/david-clark-company-senior-system-infrastructure-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdavid-clark-company-senior-system-infrastructure-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3774900}},{"tool":"search_jobs","arguments":{"company":"davidclarkcompany.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3774900},"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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