{"id":3757779,"url":"https://alion.io/job/jennmar-it-network-manager","title":"IT Network Manager","company":{"id":2300405,"name":"Jennmar","domain":"jennmar.com","url":"https://alion.io/company/jennmar-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"Leadership","role_family":"Leadership","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":["Pittsburgh, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"BGP","optional":false},{"name":"FortiGate","optional":false},{"name":"Microsoft Defender","optional":false},{"name":"Microsoft Teams","optional":false},{"name":"OPC UA","optional":false},{"name":"OSPF","optional":false},{"name":"SIEM","optional":false},{"name":"VPN","optional":false}],"status":"live","first_seen_at":"2026-11-04T17:29:38Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-07T10:25:01Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"JOB SUMMARY:\nThis is a professional leadership position responsible for the strategy, design, operation, and security of Jennmar’s global network and unified communications environment, including the enterprise-to-plant network boundary. The IT Network Manager leads the Network Team and owns the global WAN, LAN, wireless, firewall, remote access, and voice platforms that connect corporate offices, data centers, cloud services, and manufacturing plants.\nA core requirement of this role is demonstrated expertise in Operational Technology (OT) networking and the Purdue Enterprise Reference Architecture (Purdue Model). The IT Network Manager will lead IT/OT segmentation across Jennmar’s manufacturing sites, partnering with plant engineering, operations, and cyber security to protect safety, production uptime, and data integrity in alignment with NIST SP 800-82 and ISA/IEC 62443.\nEDUCATION/EXPERIENCE:\nB.S. in Computer Science, Information Technology, Network Engineering, or related field required; equivalent experience considered.\n10+ years of enterprise network engineering and operations experience, including 5+ years in a supervisory or managerial role leading a network team.\nMinimum 3-5 years of hands-on experience designing, securing, or supporting OT / Industrial Control System (ICS) networks in a manufacturing or industrial environment (required).\nDemonstrated experience applying the Purdue Model (Levels 0-5) to design and implement IT/OT segmentation, including an Industrial DMZ (required).\nExperience managing a multi-site, global network (WAN/LAN/WLAN) supporting 24x7 manufacturing operations.\nCertifications preferred: CCNP/CCIE or Fortinet NSE 4-7; ISA/IEC 62443 Cybersecurity Certificate/Expert or GIAC GICSP/GRID; CISSP; PMP or equivalent\nQUALIFICATIONS:\nNetwork Leadership & Engineering\nExpert knowledge of network and data communication protocols, dynamic routing (BGP, OSPF), switching, VLANs, QoS, and high-availability design.\nStrong experience with SD-WAN and SASE architectures, carrier-managed WAN services, and next-generation firewalls (Fortinet FortiGate/SASE and Cisco/Meraki experience strongly preferred).\nWorking knowledge of enterprise wireless, VPN/ZTNA remote access, network access control, and network monitoring and observability tools.\nExperience with unified communications and cloud voice platforms (Webex Calling, Microsoft Teams Voice) and video conferencing.\nOperational Technology (OT) & Purdue Model - Required Expertise\nExpert understanding of the Purdue Model, including the functions and trust boundaries of Level 0 (process), Level 1 (basic control/PLCs), Level 2 (supervisory/HMI/SCADA), Level 3 (site operations/historians/MES), Level 3.5 (IDMZ), and Levels 4-5 (enterprise).\nProven ability to design and implement zones and conduits per ISA/IEC 62443, including Security Level (SL) targets and IDMZ service brokering (jump hosts, patch/AV relay, historian replication, file transfer).\nWorking knowledge of industrial protocols and assets (e.g., EtherNet/IP, CIP, Modbus TCP, PROFINET, OPC UA/DA; PLCs, HMIs, SCADA, historians) and how they behave on the network.\nExperience with OT asset discovery and passive OT threat monitoring platforms (e.g., Claroty, Nozomi Networks, Dragos, Microsoft Defender for IoT, Armis).\nUnderstanding of safety-first, availability-driven OT priorities and consequence-based risk prioritization; ability to make network changes in production environments without disrupting operations.\nFamiliarity with secure remote access for OT (MFA, time-bound, monitored and logged vendor sessions) and controls commonly evaluated by cyber insurers and auditors.\nManagement & Professional Skills\nProven ability to lead, mentor, and develop technical staff; set priorities; and manage workload across projects and operations.\nStrong project planning, budgeting, vendor management, and documentation skills.\nAbility to communicate technical risk clearly to executives, plant leadership, engineers, and end users.\nCultural sensitivity; able to support a global user base which may include limited English or English as a second language.\nAbility to work a flexible schedule, including after-hours change windows, on-call escalation, and domestic and international travel.\nRESPONSIBILITIES:\nNetwork Team Leadership\nLead, manage, and develop the Network Team; set goals, assign work, conduct reviews, and build OT networking capability across the team.\nDevelop and communicate the scope, goals, deliverables, and milestones for all network and IT/OT projects.\nOwn the network budget, capital planning, and lifecycle/refresh roadmap; provide input to annual IT budget and prioritization.\nEnterprise Network Operations\nOwn the design, operation, and performance of the global WAN, SD-WAN/SASE, LAN, wireless, firewall, VPN, and unified communications platforms to deliver secure, high-availability (99.9%+) services.\nMonitor availability, performance, and capacity; drive root cause analysis and continuous improvement for network incidents.\nEstablish, promote, and enforce network standards, configuration baselines, change management, and documentation.\nLead network elements of site openings, acquisitions, integrations, and cutovers.\nManage carrier, managed service provider, and network vendor relationships, contracts, SLAs, and renewals in partnership with procurement.\nOT Network & IT/OT Segmentation\nDefine and maintain the target-state IT/OT segmentation architecture and reference design based on the Purdue Model, NIST SP 800-82, and ISA/IEC 62443.\nDesign, build, and operate the Industrial DMZ and enforce controlled conduits between enterprise and plant networks; eliminate direct IT-to-OT traffic and dual-homed systems.\nLead plant network assessments, gap analyses, and a phased pilot-to-scale segmentation roadmap across manufacturing sites.\nMaintain accurate OT network and asset inventories, network diagrams, and data-flow documentation for each plant.\nPartner with Cyber Security to implement OT monitoring, secure remote access, logging to the SIEM/SOC, vulnerability management, and OT incident response playbooks and tabletop exercises.\nCollaborate with plant engineering, maintenance, controls integrators, and equipment OEMs to plan maintenance windows and ensure network changes support safety and production continuity.\nResiliency & Security\nEnsure continuous operations through resilient design and failover; validate and periodically test network recovery procedures, including OT recovery from ransomware scenarios.\nDevelop, implement, and maintain network security controls; validate controls and recommend process improvements.\nSupport internal and external audits, cyber insurance assessments, and due-diligence reviews related to network and OT security.\nOTHER RESPONSIBILITIES\nRecommend, develop, and support adherence to Corporate IT standards, policies, and procedures in accordance with best practices.\nLead and assist IT teammates on troubleshooting - problem identification, resolution, communications, and interfacing with IT and third parties.\nStay current on network, SASE, and OT security technologies, threats, and regulatory developments.\nPerform other related job duties as requested by management.\n*Excellent benefits include medical with a standard PPO plan with deductibles as low as $1,500 and wellness credit up to $750; free concierge primary care; voluntary 401k plan currently matching up to 12%; voluntary dental and vision plans; free telemedicine services; basic life, long and short-term disability coverage.\nEOE M/F/D/V","description_format":"text","description_chars":7560,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["401k plan","Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Mining","Industrial Machinery"],"lifecycle":[{"event":"open","at":"2026-11-04T17:29:38Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":2,"expected_fill_days":30,"reasons":["conf:3","win:early"],"computed_at":"2026-11-07T05:47:08Z"},"pay":null,"html_url":"https://alion.io/job/jennmar-it-network-manager","json_url":"https://alion.io/job/jennmar-it-network-manager.json","meta":{"generated_at":"2026-11-07T12:07:32Z","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":13177,"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":2300405},"rest":"https://alion.io/mcp/rest/get_company?id=2300405"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fjennmar-it-network-manager"},{"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%2Fjennmar-it-network-manager"},{"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%2Fjennmar-it-network-manager"},{"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/jennmar-it-network-manager\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fjennmar-it-network-manager"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3757779}},{"tool":"search_jobs","arguments":{"company":"jennmar.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3757779},"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); 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