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18 linux administrator jobs at 14 companies in Hamden, CT

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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
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1w
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Linux Systems Support
Norwich or United States
RemoteFull Time
Unisys
UnisysNYSE: UIS: Provides enterprise-scale IT services and digital transformation solutions.
2+ YOEBA/BS or equivalent with 2+ years relevant experience, expertise in Linux systems administration, strong troubleshooting and root-cause analysis, and U.S. citizenship and residency required.
Linux
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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
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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
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2w
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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
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2d
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Systems Administrator 2
Storrs, Connecticut, United States
HybridFull Time
University of Connecticut
University of Connecticut: Connecticut's flagship public research university providing higher education.
4+ YOEExperience administering Linux servers, directory services (AD/OpenLDAP), web servers (Apache/Tomcat/NGINX), scripting/automation, IAM concepts, and system design; 4+ years experience typical.
Linux, CAS, OpenLDAP, Boomi, Netscaler, Entra, Apache, Tomcat, NGINX, Ansible, PowerShell, JBOSS, Microsoft Active Directory
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1mo
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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
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2d
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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
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2d
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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
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3w
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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
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3w
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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
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2d
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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
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2mo
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Power BI Systems Administrator
Norwich or United States
RemoteFull Time
Unisys
UnisysNYSE: UIS: Provides enterprise-scale IT services and digital transformation solutions.
2+ YOEBA/BS degree and 2-4 years’ relevant experience or equivalent combination; experience administering servers, monitoring networks, and deploying software.
Power BI, Windows Server, Linux, Network Monitoring, Server Management
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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
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2w
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Senior Systems Engineer
Natick or Providence or Tysons or West Hartford or Disney Springs or King of Prussia or Paramus or Raleigh or Boston
$110k-$140k/yr HybridFull Time
Level99
Level99: Adult social gaming venue with physical challenges and dining.
Experienced infrastructure engineer with networking, security, hardware deployment, server and OS administration (Windows, MacOS, Linux/Ubuntu, Android), virtualization, SD-WAN, MDM, EDR, ability to travel, and on-call availability.
EDR, MDM, Microsoft Windows, MacOS, Android, Ubuntu, Linux, SD-WAN, WiFi, virtualization
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1w
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Sr IAM Security Professional
Johnston or Medford or Boston or Pittsburgh or Philadelphia or Melville or Short Hills or Marlton or Glen Allen or Cleveland or Cincinnati
$100k-$150k/yr RemoteFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
5+ YOE5+ years experience in system security/identity and access management, experience with Azure/AWS/on‑prem directory services, password vaulting, privileged identity management, Windows/Linux/Unix administration, and database technologies.
Azure Active Directory, AWS Directory Services, Active Directory, LDAP, Single Sign-On, Multifactor, passwordless, Enterprise password vaulting, Privileged access management, Zero trust, Just in Time, Windows, Linux, Unix, Microsoft SQL, Oracle, Programming and Scripting Languages
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2mo
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Systems Engineer 3, Yale School of Management
New Haven, Connecticut, United States
$94k-$141k/yr HybridFull Time
Yale University
Yale University: Provides higher education and conducts research across various disciplines.
4+ YOEExperience in enterprise IT infrastructure, cloud/virtualization, IaC (Terraform, Packer), Ansible, security, and Windows/Linux administration.
Terraform, Packer, Ansible, HashiCorp Vault, GitHub, CI/CD
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1mo
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Sr IAM Security Professional
Johnston or Medford or Boston or Pittsburgh or Philadelphia or Melville or Short Hills or Marlton or Glen Allen or Cleveland or Cincinnati
$100k-$150k/yr RemoteFull Time
Citizens Financial Group
Citizens Financial GroupNYSE: CFG: Provides retail, commercial, and private banking services to customers.
5+ YOE5+ years professional experience in system security administration or security engineering, strong IAM experience (onboarding, provisioning, PIM, password vaulting), experience with Azure/AWS identity solutions, OS and database administration, and risk mitigation.
Azure Active Directory, AWS Directory Services, Active Directory, LDAP, Single Sign-On, Microsoft SQL, Oracle, Windows, Linux, Unix, AWS, Azure, Privileged Identity Management, password vaulting, privileged access management, Zero trust
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3mo
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Senior IT and MSP Level 3 Technician
New Haven, Connecticut, United States
$80k-$105k/yr HybridFull Time
TeamLogic IT Memphis
TeamLogic IT Memphis: Local managed IT and cybersecurity services for businesses.
5+ YOE5+ years IT support; 2+ years Level 3; MSP experience preferred; Bachelor's degree preferred; certifications such as Network+, Security+, Azure Administrator, or CCNA a plus.
Windows Server, Linux Server, VMware, Hyper-V, Azure, AWS, SolarWinds, Auvik, NinjaRMM, Autotask PSA, ServiceNow, Zendesk, Hudu, IT Glue, SharePoint, VPN, Firewalls, Backup, Patch Management, Network Monitoring
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