80 linux administrator jobs at 59 companies in Fairfield, CT

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
3d
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Engineer-Intermediate Linux System
Palisades, New York, United States
$90k-$104k/yr OnsiteFull Time
Columbia University
Columbia University: A private Ivy League research university providing higher education.
3+ YOEBachelor's in Computer Science or related field, minimum 3 years Linux system administration experience, proficiency with Linux/RHEL, VMware, networking (TCP/IP,DNS,DHCP,LDAP), scripting, cloud (AWS) and ticketing systems.
Linux, RHEL, VMware vSphere, ESXi, vCenter, TCP/IP, DNS, DHCP, LDAP, Amazon Web Services (AWS), Avamar, Veeam, Nagios, Osticket, Jira, Bugzilla, ServiceNow
1mo
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Linux Systems Engineer II - (Contract)
Scottsdale or Chicago or San Francisco or New York City
$86k-$126k/yr HybridFull Time, Contract
Early Warning Services
Early Warning Services: Operates payment and risk solutions for the financial industry.
5+ YOE5+ years Red Hat Linux administration; AWS experience; scripting; strong analytical and customer-service skills; US citizenship; eligible to work in the United States.
Red Hat Linux, AWS, Bash
2w
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Systems Administrator Level 1-5/Linux/Ansible
New York City, New York, United States
$57k-$124k/yr OnsiteFull Time
Metropolitan Transportation Authority
Metropolitan Transportation Authority: Operates public transportation systems in the New York region.
1+ YOEInstall, maintain, and troubleshoot server hardware, OS (Windows, Linux, HP-UNIX), VMware/ESX, SAN (EMC/Unity/NetApp); cloud platform and automation knowledge; 1–12 years experience depending on level.
Windows, HP-UNIX, LINUX, VMware, ESX, Active Directory, EMC, Unity, NetApp, Azure, AWS, Google Cloud, Dell, HP, Ansible
2w
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Systems Administrator
New York, New York, United States
$90k-$125k/yr HybridFull Time
Stark
Stark: Manufacturer and retailer of luxury custom carpets and rugs.
3+ YOE3–5+ years systems administration experience; Azure, Linux, IIS, DNS, SSL/TLS experience; scripting with PowerShell/Bash; strong security hardening and patching skills.
Microsoft Azure, Linux, IIS, Microsoft Entra ID, Intune, Microsoft Defender, Jira, PowerShell, Bash, SSL/TLS
2w
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Database Administrator
Hoboken, New Jersey, United States
HybridFull Time
Sumitomo Mitsui Trust Bank (U.S.A.)
Sumitomo Mitsui Trust Bank (U.S.A.): Provides institutional custody and foreign exchange services for global clients.
5+ YOEBachelor's in CS or equivalent,5+ years DBA experience with Microsoft SQL Server and Oracle,knowledge of Windows/UNIX/Linux,SQL/Transact SQL/PL-SQL,PowerShell,version control,replication and backup/recovery,excellent communication and problem-solving.
Microsoft SQL Server 2019, Microsoft SQL Server 2022, Oracle 19c, ASM, Windows, UNIX, Linux, SQL, Transact SQL, PL-SQL, PowerShell, SQL always-on, Doubletake, AWS DRS, Microsoft SQL Server native auditing, Solarwinds DPA, Idera Diagnostic Manager, DataMasker
3mo
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Database Administrator (DBA)
Berkeley or New York City
$155k-$195k/yr RemoteFull Time
The Voleon Group
The Voleon Group: Quantitative investment management firm using machine learning strategies.
Hands-on DBA with PostgreSQL/Oracle; backups, security, tuning; Linux knowledge; automation with Ansible; On-Prem and Cloud experience; monitoring.
PostgreSQL, MySQL, Oracle, Linux, Ansible, Docker, Kubernetes, Ceph, AWS RDS, Azure Database, GCP Cloud SQL, Python, Bash
1mo
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System Administrator
New York City, New York, United States
$135k/yr OnsiteFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
4+ YOEBachelor's in IT/CS/engineering plus 4+ years datacenter/cloud/infrastructure experience (or equivalent), experience with Windows/Linux, Active Directory, Group Policy, DNS/DHCP, SQL/Oracle, Nutanix HCI, Azure, IGEL VDI, SCCM/Ivanti, and CI/CD; US work authorization required.
Active Directory, Group Policy, DNS, DHCP, SQL, Oracle DB, Nutanix HCI, IGEL, Azure, Windows, Linux, SCCM, Ivanti, CI/CD
2mo
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Systems Administrator
Old Greenwich, Connecticut, United States
OnsiteFull Time
Ellington Management Group
Ellington Management Group: Manages alternative investment funds specializing in mortgage-backed securities.
5+ YOEHands-on IT infrastructure: Windows and Linux, AWS, VMware, networking, security, scripting, and automation.
Windows Server, Microsoft 365, Active Directory, Azure AD, MS Teams, Multi-Factor Authentication, Linux (Rocky Linux), AWS EC2, VMware vSphere, TCP/IP, DNS, DHCP, VLANs, Firewalls (Palo Alto, Fortinet), Email Security, PowerShell, Python, Bash, Ansible
14h
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Systems Administrator - Center for Neural Science
New York, New York, United States
$70k-$75k/yr HybridFull Time
New York University
New York University: A private research university providing undergraduate and graduate education.
2+ YOEBachelor's degree and 2+ years system administration experience; experience with Linux/Windows servers, Active Directory, storage, networking, scripting (PowerShell/Bash/Python), and enterprise security tools.
Ansible, Puppet, BigFix, WorkspaceOne, BeyondTrust, InsightVM, CortexXDR, Splunk, Tufin, Active Directory, Apache, Microsoft SQL, PowerShell, Bash, Python, AWS, Azure, Google Cloud (GC), Synology NAS, Dell PowerEdge, NEAT, ZOOM, Redhat Linux, Microsoft Windows Server, MacOS
1mo
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Senior IT Administrator
New York City, New York, United States
HybridFull Time
Digital Turbine
Digital TurbineNASDAQ: APPS: Platform for mobile application distribution and advertising monetization.
5+ YOEBachelor's degree and 5+ years related experience; support Windows/Mac/Linux; experience with Okta, Google Workspace, JAMF, Intune, Crowdstrike, UniFi/Fortinet firewalls; executive support experience and strong communication skills.
Microsoft Intune, JAMF, Crowdstrike, Okta, Google Workspace, Google Apps, Slack, Zoom, Zoom Room, UniFi, Fortinet, VPN, MDM, Windows, Mac, Linux, A/V
1mo
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Senior Technology Systems Administrator
Lodi, New Jersey, United States
$80k/yr OnsiteFull Time
Lodi Public Schools
Lodi Public Schools: Providing public K-12 education for the Lodi community.
5+ YOEBachelors in CS/CIS, 5+ years as network/server administrator, experience with Cisco/Fortinet, Windows/Mac/iOS/Chrome OS, AD/DNS/DHCP, SCCM imaging, VMware/Hyper-V, Linux; ability to run cabling and lift equipment.
Cisco, Fortinet, Windows, Mac OS, iOS, Chrome OS, Chromebooks, Active Directory, DNS, DHCP, SCCM, VMware, Hyper-V, Linux, Google Workspace
2mo
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System and Network Administrator
Milford or United States
OnsiteFull Time
Total Mortgage
Total Mortgage: Provides residential mortgage lending and home refinancing services.
3+ YOE3+ years system and network administration experience with Ubiquiti UniFi, Windows Server, Linux, virtualization, Microsoft 365/Entra ID/Azure, cybersecurity, DR planning, and Tier 2/3 support.
Ubiquiti UniFi, Windows Server, Linux, VMware, Hyper-V, Xen, Group Policy, Microsoft 365, Microsoft Exchange Online, Microsoft SharePoint, Microsoft Teams, Entra ID (Azure AD), Microsoft Azure, DNS, DHCP, VLAN, VPN, routers, switches, firewalls, VoIP systems, Microsoft Intune, PowerShell, Bash
2mo
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Manager, Systems Administrator - Sailpoint
Orlando or Atlanta or Montvale or Dallas
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
5+ YOE5+ years managing SailPoint IdentityIQ, team management experience, ServiceNow, CyberArk, Active Directory and Linux familiarity, bachelor\u0002s degree or equivalent experience, U.S. work authorization required.
SailPoint IdentityIQ, ServiceNow, CyberArk, Active Directory, Linux
20h
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System Administrator (Remote)
New York, New York, United States
HybridFull Time
Esprow
Esprow: Automated testing and compliance platform for global financial markets.
Maintain and upgrade software, hardware, cloud, networks, backups, security and documentation; onboard/offboard users; automate tasks with scripting; familiarity with Windows, Linux, networking, Microsoft cloud tooling.
Microsoft Hyper-V, Microsoft 365, Azure, Entra ID, Microsoft Intune, Jira Cloud, Confluence Cloud, PowerShell, Bash, Python, ChatGPT, Codex, Microsoft Copilot, SQL, Git, SVN, Jenkins, Docker, CloudFlare, cPanel
1w
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Security Infrastructure - Security Administrator II - Req #516
Rocky Hill, Connecticut, United States
$90k-$115k/yr HybridFull Time
COCC
COCC: Provides core technology and digital solutions for financial institutions.
2+ YOEBachelor's degree or equivalent experience, 2+ years supporting security-oriented network services, security certs (CompTIA Security+, GSEC, SSCP), Linux/Windows, scripting (Python/PowerShell/Bash/Perl), NGFW/IDS/IPS/PKI/DLP/SASE/WAF experience.
Next-Gen firewalls, IDS/IPS, MFA, PKI, DLP, SASE, WAF, Linux, Windows, Python, PowerShell, Bash, Perl, HTTP/S, FTP, SSH, DNS, TCP/IP, Ethernet
2w
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Senior Engineer & Administrator
Cary or New York
$100k-$138k/yr HybridFull Time
MetLife
MetLifeNYSE: MET: Global provider of insurance, annuities, and financial services.
7+ YOE7+ years building large-scale systems; experience with ECM products, CP4BA, FileNet, Datacap; BS/MS in Computer Science or equivalent; strong architecture and stakeholder collaboration skills.
IBM CP4BA, FileNet, Datacap, Elastic Cloud Storage, Ansible Automation Platform, Elastic Stack, Windows, Linux
1mo
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Senior M365 Administrator
Bethpage, New York, United States
OnsiteFull Time
PSEG
PSEGNYSE: PEG: Generates and distributes electricity and natural gas to customers.
2+ YOEBachelor's in a related field or equivalent experience; 2+ years IT experience (6+ without degree). Experience with Azure, Intune, Microsoft 365 (Exchange, Teams, SharePoint), Windows Server, Active Directory, PowerShell; knowledge of networking, security and DOE 10 CFR 810.
Microsoft Exchange, Exchange Online, Microsoft 365, Office 365, Azure, Entra ID (Azure AD), Microsoft Teams, SharePoint Online, OneDrive for Business, Intune, Microsoft Office, Microsoft Windows, Linux, UNIX, Active Directory, MS PKI, DFS, GPO, PowerShell, Azure CLI, BAT, VB, C#, System Center, Autopilot, Defender, Amazon AWS, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Access
1w
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Security Infrastructure - Security Administrator II #516
Rocky Hill, Connecticut, United States
$94k-$112k/yr HybridFull Time
COCC
COCC: Provider of financial technology and core banking solutions.
2+ YOE2+ years supporting security-oriented network services; bachelor\u0002s in IT/IS preferred; industry certifications (CompTIA Security+, GSEC, SSCP); strong communication and scripting skills.
Next-Gen firewalls, IDS/IPS, MFA, PKI, DLP, SASE, WAF, Linux, Windows, Python, PowerShell, Bash, Perl
1mo
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System Administrator (Middlefield, CT, US, 06455)
Middlefield, Connecticut, United States
OnsiteFull Time
AMETEK
AMETEKNYSE: AME: Manufacturer of electronic instruments and electromechanical devices.
Design, implement, and maintain Windows-based infrastructure and virtualization; manage backups and networking; support Ubuntu servers; automate with PowerShell; perform project plans and after-hours support; bachelor's in CS/IT or equivalent.
Microsoft Windows, Microsoft Windows Server, VMware vSphere/ESXi, Veeam Backup & Replication, Microsoft Active Directory, Group Policy, DNS, DHCP, DFS, Cisco, Aruba, Ubuntu Linux, Microsoft PowerShell, Microsoft SQL Server, SAN, NAS, iSCSI, NFS, SMB, Microsoft Azure
1mo
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Oracle Identity Management (OIM) & Governance (OIG) Administrator (IT Security Specialist 3) - Provisional
New York City, New York, United States
$104k-$135k/yr HybridFull Time
City University of New York
City University of New York: Public university system providing higher education and research services.
3+ YOESubject-matter expertise in IT security, identity and access management (OIM/OIG), system architecture, integrations, and risk assessment; minimum 3 years related experience; high school diploma required; certifications (CISSP, CEH, Security+, CISM, CISA, GSEC, CCSP) may substitute for experience.
Oracle Identity Manager (OIM), Oracle Identity Governance (OIG), OIG 12c, Oracle Adaptive Access - Manager, OIG Java API, PeopleSoft, WebLogic, UNIX, Linux, Red Hat, LDAP Directory Services, Active Directory, Oracle Internet Directory, PL/SQL, Shell, OUD, Microsoft M365, CUNYfirst