HiringCafe
Join our community

32 linux system administrator jobs at 27 companies in Fairfield, CT

2w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
4w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
IT Systems Administrator
Brooklyn, New York, United States
$72k-$88k/yr HybridFull Time
New York University
New York University: Private research university providing undergraduate and graduate degree programs.
2+ YOEBachelor's in CS/IT or related,2+ years IT systems administration experience,expertise with Windows/Mac/Linux,knowledge of info security,ability to diagnose systems and communicate to non-technical audiences.
Windows, Mac, Linux, HCL BigFix, VMware Workspace One, Ansible Tower, PowerShell, Bash, Python
Job PostingView all
3d
Save
Mark Applied
Hide
Production System Engineer Graduate (Server Management) - 2027 Start
New York, New York, United States
OnsiteFull Time
ByteDance
ByteDance: Developing AI-driven content platforms and mobile applications.
Bachelor's or Master's in CS/CE/EE/IT or related, Linux administration (Debian/Ubuntu), scripting in Python/Bash/Go, systems engineering or DevOps experience, strong troubleshooting and communication skills.
Linux, Debian, Ubuntu, Python, Bash, Go, NVIDIA GPU, CUDA, Git, Docker, Kubernetes, REST APIs, SQL, Ansible
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
3mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
NETWORK OPERATIONS CENTER SYSTEMS ADMINISTRATOR
New York City, New York, United States
$75k-$125k/yr OnsiteFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
4+ YOEBaccalaureate or associate degree (or equivalent) plus 4–8 years IT experience; experience with enterprise monitoring, UNIX/Linux, scripting, networking monitoring, security tools, and coordinating deployments.
UNIX, LINUX, Bash, KORN, Python, Riverbed, Nagios, Zenoss, VMNware Hyperic, IPFW, SNORT, Tipping Point IPS, AVG, BSD, CentOS, Fedora, Red Hat, Debian, Ubuntu, SunOS, Solaris, A+, x86, Sparc, Motorola, Apache, ISS, Nginx
Job PostingView all
4w
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
Sr. Principal Computer Systems Analyst - Windows/Linux
Bethpage, New York, United States
$129k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
4+ YOEMust possess Top Secret clearance (maintained), Security+ (8140) certification, experience designing/maintaining Windows domain architectures, and multi-OS/system administration; degree with relevant years of experience required.
Active Directory, GPOs, DNS, DHCP, LDAP, Cisco, Cohesity, Veritas, HBSS, SolarWinds, Splunk, Windows, Linux, Solaris, OSX, UNIX, STIG, RMF, NISPOM, JAFAN, JSIG, DCID 6/3-ICD 503
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Systems Engineer, Agents/Clusters/Supercomputers
New York, New York, United States
$250k-$800k/yr HybridFull Time
D. E. Shaw Research
D. E. Shaw Research: Developing custom supercomputers for biomolecular simulation and drug discovery.
Strong Linux fundamentals; experience with large-installation systems administration, HPC, Kubernetes, Python, distributed systems, and excellent communication skills. Candidates at all experience levels considered.
Kubernetes, Python, Linux, RDMA, GPU
Job PostingView all
1mo
Save
Mark Applied
Hide
Hardware Systems Engineer - Lab Environment
Secaucus, New Jersey, United States
$114k-$195k/yr OnsiteFull Time
AMD
AMDNASDAQ: AMD: Designs and manufactures computer processors and graphics technology.
Hands-on lab support and hardware troubleshooting, inventory and asset management, system imaging/patching, basic Linux administration (bash, ssh), scripting/Python, SQL knowledge; Bachelor’s in IT or related.
Windows, Linux, bash, ssh, Python, SQL, GPU
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
3w
Save
Mark Applied
Hide
Database Engineer - Vice President
New York, New York, United States
$155k-$215k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Global financial services firm providing investment and wealth management.
7+ YOE7+ years experience with SQL and relational databases (SAP ASE/SAP IQ/MS SQL Server/PostgreSQL). Strong scripting (Python, Perl, Shell), Linux administration, troubleshooting, and real-time systems experience.
SAP ASE, SAP IQ, MS SQL Server, PostgreSQL, SQL, Python, Perl, Shell, Linux, AI/ML
Job PostingView all
1mo
Save
Mark Applied
Hide
Network Engineer
Singapore or Hong Kong or New York City
HybridFull Time
Tower Research Capital
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
5+ YOE5+ years with complex high-performance networks, experience with Arista/Cisco/Juniper-like OSes, BGP/OSPF/multicast, network monitoring tools, Python scripting, VPNs and security appliances, and Unix/Linux system administration.
Arista EOS, Cisco IOS, Nexus-OS, PAN-OS, BGP, OSPF, PIM, MSDP, MRTG, Graphite, Grafana, Nagios, SNMP, Python, IPSec, GRE, Fortinet, Palo Alto, Unix, Linux, FPGA
Job PostingView all
1mo
Save
Mark Applied
Hide
Lead Site Reliability Engineer (SRE)
Chicago or New York City
$175k-$220k/yr HybridFull Time
Optimal Market Technologies
Optimal Market Technologies: Operates a broker-dealer platform for wholesale options execution.
Hands-on Linux and network administration, strong scripting/automation, Infrastructure-as-Code experience, production support and incident response ownership, staff management/mentoring, familiarity with C++, Python, SQL, Azure, and real-time trading systems.
C++, Python, SQL, Linux, CentOS7, RHEL9, Microsoft Azure, Microsoft Azure Virtual Desktop (AVD), Claude Code, FIX Protocol, PostgreSQL, AERON
Job PostingView all
1mo
Save
Mark Applied
Hide
Corporate IT Lead - Global
Great Neck, New York, United States
$125k-$150k/yr OnsiteFull Time
FlexTrade Systems
FlexTrade Systems: Provider of multi-asset execution and order management trading software.
Degree in Engineering/Computer Science or equivalent, experience managing global support teams, desktop/system engineering experience, ITIL Intermediate, M365/Intune/Azure, ServiceNow/Jira/Confluence, Windows/Linux administration, strong communication and project management.
Microsoft 365, Microsoft Intune, Microsoft Azure, Jira, Confluence, ServiceNow, Windows, Mac, Android, iOS, Linux, VDI, Microsoft Teams Telephony
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all

Explore Jobs

Expand Your Job Search