{"id":2000892,"url":"https://alion.io/job/neumo-senior-system-administrator-on-site","title":"Senior System Administrator (On-Site)","company":{"id":2482496,"name":"Neumo","domain":"neumo.com","url":"https://alion.io/company/neumo","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":{"grade":"A","score":85,"open_postings":10,"ghost_share":0,"stale_share":0.6,"repost_share":0,"time_to_fill_p50_days":57,"computed_at":"2026-10-29T05:49:05Z"}},"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":["Fairfield, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":115000,"max":140000,"currency":"USD","period":"year","gross":null,"usd_annual":140000},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"Azure","optional":false},{"name":"DNS","optional":false},{"name":"ITIL","optional":false},{"name":"ITSM","optional":false},{"name":"LDAP","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Microsoft Teams","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"OneDrive","optional":false},{"name":"PKI","optional":false},{"name":"Power BI","optional":false},{"name":"ServiceNow","optional":false},{"name":"SharePoint","optional":false},{"name":"VMWare","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2026-09-01T22:13:00Z","employer_posted_date":"2026-09-01","last_verified_at":"2026-10-29T10:10:38Z","board_verified":true,"closed_at":null,"days_open":57,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":57},"description":"Job Summary: \nThis is a senior-level technical role requiring extensive hands-on experience in systems administration and deep expertise in network operating systems. The ideal candidate will have ”expert” level experience with Microsoft Azure, and strong working knowledge of Server OS, Active Directory, DNS, PKI, Microsoft Endpoint Configuration Manager, server monitoring, M365, Entra ID, and Azure cloud administration.\nAs a technology leadership position, it demands a high level of practical proficiency in both Windows Server environments and Azure cloud services. Solano County’s network spans six cities, four data centers, multiple branch locations, and two Azure tenants.\nIn collaboration with other team members, this position will be responsible for the day-to-day operation, support, and security of the County’s compute, storage, and cloud infrastructure. Our on-premises environment is primarily built on Cisco UCS and HyperFlex (HX) platforms, so recent experience with converged or hyperconverged virtualization systems is essential.\nPlease note that this position requires passing a California Law Enforcement Telecommunications (CLETS) background check, and authorization to work in the United Stats (see below for specifics)\nhttps://www.fbi.gov/services/cjis\nDuties and Responsibilities:\nResponding to daily service requests and incident tickets through the ServiceNow platform.\nCommunicating clearly and effectively with users and stakeholders at all technical levels, from end users to executive leadership.\nApplying strong diagnostic and problem-solving skills to troubleshoot issues and implement effective solutions.\nResponding promptly to service outages, identifying and analyzing root causes, and restoring services to ensure efficient and reliable operations.\nManaging on-premises and cloud infrastructure to ensure service-level agreements (SLAs) and quality-of-service (QoS) targets are consistently met.\nManaging multiple projects simultaneously, from initial design through full implementation.\nOverseeing all lifecycle stages of compute and storage hardware/software, including deployment, testing, maintenance, upgrades, refresh cycles, and decommissioning.\nSupporting critical outages and participating in after-hours incident response as required, including rotation in a team-wide on-call schedule.\nCreating and maintaining system topology diagrams using Visio or similar tools.\nProducing clear, accurate, and maintainable technical documentation within the ServiceNow knowledge base.\nManaging asset inventory for compute and storage equipment.\nCollaborating with various IT service towers to resolve complex issues and support cross-functional projects.\nPerform other duties as assigned\nEducation and Experience:\nAt least one of the following certifications: Computer Science Degree, MCP or equivalent role-based certifications in Windows Server, Microsoft Office 365 or Microsoft Azure\n6+ years of experience in a similar position and/or any combination of education and experience that clearly demonstrates the ability to perform the job duties of the position. \nTechnical Skills & Expertise:\nExpert level of experience and understanding of Microsoft Azure\nExpert level of experience in Active Directory Domain Services, to include FSMO roles, AD Functional Level upgrades, Domain Trusts, AD Site & Subnets, DFS & SYSVOL replication, GPO optimization, ADMX upgrades, LDAP queries, Dynamic DNS, SPNs, ICACLs, etc..\nHigh level of expertise in Entra ID / Azure AD, to include Entra Connect, SAML & OIDC SSO, Conditional Access policies, Privilege Identity Management, PIV and FIDO2 Smartcard, etc..\nExpert working knowledge of Microsoft 365 Services to include Exchange Online, SharePoint, OneDrive, MS Teams, Dynamics, Power BI, etc..\nExpert working knowledge of Microsoft Exchange up to and including Exchange 2019/SE\nExperience with Packet capturing and protocol analysis (TCP, UDP, ICMP, packet dissection).\nExcellent knowledge and experience with Azure cloud services in IaaS, PaaS and SaaS scenarios. \nHands on experience with Azure Identity\nKnowledge, Skills and Abilities:\nStrong working knowledge of Microsoft PKI, Certificate Authorities, Templates, CRL etc..\nHands on knowledge working with VMWare vSphere and VMWare ESXi hosts.\nHands on experience working with Cisco UCS platform, including UCSM and HX connect.\nWorking knowledge of Microsoft Endpoint Configuration Manager (MECM/SCCM) and Intune MDM hybrid device management.\nVery strong focus on Information Security & Compliance best practice\nWell-versed in ITIL concepts for ITSM and ITOM.\nStrong problem-solving and troubleshooting skills\nExcellent communication skills across technical and non-technical audiences\nCuriosity about new technologies and creativity in approach to problem-solving\nAbility to manage multiple priorities and lead high-impact projects.\nExcellent documentation and diagramming skills (Visio).\nCollaborative and adaptable in a fast-paced environment.\nAbility to work independently and in a team environment. \nWork Environment:\nThe noise level in the work environment is usually moderate as the employee works in an office setting, at an individual workstation, using telephone and computer\n\nPhysical Demands:\nMust be able to remain in a stationary position for most of the day.\nConstantly operates a computer and other office productivity machinery, such as a printer/copy machine.\nThis position needs to occasionally move about inside the office.\nThe person in this position frequently communicates via telephone, virtual meetings and calls and Teams chat messages.\nNeumo Summary:\nWith the backing of four decades of public sector expertise and corporate capability, Neumo has successfully supported government services. Neumo was honored and recognized for four (4) consecutive years as a GovTech 100 Company representing the top 100 companies focused on making a difference in and selling to state and local government agencies across the United States.\nNeumo is committed to helping communities thrive and brings a wealth of experience combined with innovation. Today, Neumo offers more administrative and financial support to government officials than any other organization. And with a responsive, client-focused approach, we foster partnerships that give our customers the certainty they need to accomplish more.\nNeumo offers a competitive benefits and compensation package and are looking for team members who will thrive in our dynamic environment.\nNeumo is an Equal Opportunity Employer. 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