35 linux system administrator jobs at 32 companies in Merrick, NY

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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
2w
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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
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Systems Administrator
New York, New York, United States
$80k-$90k/yr OnsiteFull Time
Columbia University
Columbia University: A private Ivy League research university providing higher education.
2+ YOEBachelor's degree or equivalent; 2+ years in system administration; strong Linux knowledge; networking and scripting; quick learner; reliable and meticulous.
Linux, DNS, DHCP, TCP/IP, SNMP
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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
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Unix Systems Administrator, AVP
Whippany, New Jersey, United States
$151k-$160k/yr HybridFull Time
Barclays
BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.
Experience administering Unix/Linux systems, performing large-scale Linux patching, backup and recovery, automation scripting, troubleshooting with vendors (Red Hat, HP, IBM, Veritas), and supervising 3-4 analysts.
Unix, Linux, Red Hat, HP, IBM, Veritas
4d
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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
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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
3mo
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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
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Information System Security Manager
Basking Ridge, New Jersey, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOE8+ years of experience; TS/SCI clearance; CISSP or equivalent; DoD 8570 IAM Level III; RMF/ATO experience; Linux administration (Ubuntu/RedHat); SCAP/STIGs; strong communication.
Linux (Ubuntu, RedHat), SCAP, STIGs, Nessus/ACAS, NIST 800-37, NIST 800-53
1w
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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
4w
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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
2w
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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
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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
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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
1mo
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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
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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
2mo
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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
2mo
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Applications Development Technology Lead Analyst, Vice President
Jersey City, New Jersey, United States
$142k-$213k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
6+ YOE6+ years apps development or systems analysis experience; strong Unix/Linux administration, networking, scripting (Bash, Perl, Python, PowerShell); Gradle/Maven, Oracle/PostgreSQL, CI/CD (Jenkins, TeamCity, Artifactory); distributed systems and microservices knowledge.
Unix/Linux, Bash, Perl, Python, PowerShell, Gradle, Maven, Oracle, PostgreSQL, Jenkins, TeamCity, Artifactory, Tibco, Solace, Kafka, Java, Go, ITIL
4w
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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
1mo
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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