34 linux administrator jobs at 29 companies in Trumbull, 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
1d
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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
2mo
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Systems Administrator
Stratford, Connecticut, United States
OnsiteFull Time
Sikorsky Credit Union
Sikorsky Credit Union: Providing member-owned banking and lending services in Connecticut.
2+ YOEBachelor’s degree or equivalent technical certifications; 2+ years UNIX/Linux, virtualization, networking; Office 365 admin; Azure AD; security and compliance; on-call travel up to 20%.
VMware, SAN, Microsoft 365, Azure AD, Exchange Online, SharePoint Online, Teams, OneDrive, UNIX, Linux, TCP/IP, VoIP, IVR, Fax
1mo
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Database Administrator
Poughkeepsie, New York, United States
$90k-$110k/yr HybridFull Time
Marist University
Marist University: Provides comprehensive undergraduate and graduate higher education programs.
3+ YOEResponsible for Oracle database installation, configuration, patching, performance tuning, security, backups, Linux scripting, and providing ERP/application support; requires bachelor's in CS/IS or relevant experience and minimum 3 years DBA experience.
Oracle, Linux, Windows Server, Ellucian Banner, Tomcat, WebLogic
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
3w
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Junior System Administrator
Colchester, Connecticut, United States
$65k-$75k/yr OnsiteFull Time
S&S Worldwide
S&S Worldwide: Sells educational, recreational, and healthcare products through e-commerce.
2+ YOE2+ years IT experience; administer Microsoft 365, Windows, Linux, Okta, endpoint security; troubleshooting, imaging, patching, backup, and asset management skills required.
Microsoft 365, Windows, Linux, Exchange Online, Teams, SharePoint, OneDrive, Okta, Carbon Black EDR, Mimecast, Entra ID
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
6d
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PostgreSQL Database Administrator
Hartford or Indianapolis or Providence or Raleigh or Richardson or Tempe
OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Experienced PostgreSQL DBA with Patroni, backup/restore, performance tuning, Linux/Bash skills, SQL troubleshooting, and availability for PST rotating 24/7 shifts.
PostgreSQL, Patroni, pgDump, pgRestore, CommVault, Linux, Unix, Bash, SQL, EXPLAIN, EXPLAIN ANALYZE, MS SQL Server, MySQL, MariaDB, Qlik, Attunity, SolarWinds DPA, Delphix, PowerShell, EMC Networker
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
6d
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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
4w
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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
4w
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Lead Site Reliability Engineer (SRE) – AWS/Linux/Windows
Hartford, Connecticut, United States
$79k-$130k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
10+ YOE10+ years experience in Linux/Unix, Windows, and AWS; strong Linux administration (RHEL/CentOS/Ubuntu); AWS services (EC2, S3, IAM, VPC, EBS, RDS, CloudWatch, CloudFormation); Bash/Python scripting; networking (TCP/IP, DNS, firewalls); leadership and incident/on-call participation.
AWS, EC2, S3, IAM, VPC, EBS, RDS, CloudWatch, CloudFormation, RHEL, CentOS, Ubuntu, Windows Server, Bash, Python, TCP/IP, DNS, firewalls, load balancers
5d
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Systems Administrator Level 5
New York City, New York, United States
$87k-$124k/yr OnsiteFull Time
Metropolitan Transportation Authority
Metropolitan Transportation Authority: Operates public transportation systems in the New York region.
10+ YOEInstall, configure and troubleshoot server, OS and storage area network hardware/software; provide technical direction to staff; bachelor's in CS/IT or 12+ years related experience; strong communication and analytical skills.
Windows, HP-UNIX, LINUX, VMware, ESX, Active Directory
4w
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Lead Site Reliability Engineer (SRE) – AWS/Linux/Windows
Hartford, Connecticut, United States
$79k-$130k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
10+ YOE10+ years experience in Linux administration and AWS; working knowledge of Windows Server; scripting with Bash/Python; networking fundamentals; proven ability to lead teams and participate in incident management/on-call.
Linux, RHEL, CentOS, Ubuntu, Windows Server, AWS, EC2, S3, IAM, VPC, EBS, RDS, CloudWatch, CloudFormation, Bash, Python
6d
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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
2mo
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Senior Middleware & Hybrid Cloud Administrator (Projects)
East Hartford, Connecticut, United States
HybridFull Time
Unisys
UnisysNYSE: UIS: Provides enterprise-scale IT services and digital transformation solutions.
10+ YOESenior role with 10+ years in middleware, infrastructure, and cloud; large-scale implementations; AWS and automation expertise; 24/7 SLA environments.
WebSphere, WebLogic, JBoss, Tomcat, Apache, IBM MQ, Artemis MQ, Mule ESB, CloudFormation, JSON, YAML, scripting, AppDynamics, CloudWatch, Tivoli, ITCAM, Linux, AIX, Unix, Windows
3mo
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Lead System and Database Admin
Bethpage, New York, United States
$120k-$140k/yr OnsiteFull Time
Lightpath
Lightpath: Provider of enterprise-grade fiber, connectivity, and managed network services.
8+ YOESenior level role managing Linux/Windows servers, Oracle/PostgreSQL databases, and virtualized infra; experience with Nutanix and Rubrik is a strong advantage.
Linux, Windows, Oracle, PostgreSQL, Nutanix, Rubrik, VMware, KVM, Bash, PowerShell, Python
2d
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Technical Specialist, Level 1 (C-BIN) (210-2026-39)
Orangeburg, New York, United States
$62k-$73k/yr OnsiteFull Time
Research Foundation for Mental Hygiene
Research Foundation for Mental Hygiene: Conducts scientific research to understand and treat mental illnesses.
Bachelor's degree in related field, proficiency in Python and Linux; experience with EEG, MRI, TMS, physiology, or system/network administration preferred.
Python, Linux, EEG, MRI, TMS, tDCS, tACS, Eyetracking/Pupillometry, Neuronavigation, Network administration, System administration
1mo
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VCF Platform Engineer 1
Omaha or Saint Louis Park or Denver or Englewood or Orlando or Kansas City or Albuquerque or Portland or Salem or Pittsburgh or Austin or Dallas or Fort Worth or San Antonio or Vienna or Olympia or Columbia or St. Paul or Harrisburg or Pennington or Woodcliff Lake or Phoenix or Folsom
OnsiteFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
3+ YOEMinimum 3 years in infrastructure operations/virtualization or systems administration; hands-on VMware vSphere and ESXi host/cluster management; Linux and Windows Server administration; scripting/automation with PowerCLI, Python, or Ansible; familiarity with IaC and datacenter concepts.
SDDC Manager, vSphere, vSAN, NSX, PowerCLI, Python, Ansible, ESXi, Linux, Windows Server