14 linux system administrator jobs at 12 companies in Killingly Center, CT
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Principal System Administrator (Linux) (Onsite)
Marlborough, Massachusetts, United States
$87k-$165k/yrOnsiteFull Time
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEU.S. citizen with ability to obtain/maintain DoD clearance; 5+ years Linux administration; experience with AD, VMware, backup/recovery, Veeam, Splunk; CompTIA Security+ (or equivalent) within 6 months; university degree typically required.
Red Hat Enterprise Linux, Active Directory, Microsoft WSUS, VMware, Veeam, MySQL, Remote Desktop Gateway, Splunk, Windows Server, vCenter, vSphere, ESX, Microsoft SCCM, Microsoft Exchange, NAS, SAN
Linux Architecture - System Administrator II - Req# 608
Southington or Rocky Hill or Avon
$73k-$109k/yrHybridFull Time
COCC: Provider of financial technology and core banking solutions.
1+ YOERequires a computer science degree or equivalent experience, 1–3 years of infrastructure support, Windows or Linux administration, virtualization, cloud, storage, Kubernetes, scripting, documentation, and communication skills.
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
2+ YOERequires active transferable U.S. Secret security clearance and U.S. citizenship, typically a university degree or equivalent, 2+ years relevant experience, Windows and Red Hat Linux administration, scripting, helpdesk/ticketing, system hardening, and ability to obtain DoDD 8140/8570 (CompTIA Security+ CE) certification.
Microsoft Windows, Redhat Enterprise Linux, Windows Server, ESXi, vCenter, VMware, ACAS, SCAP, Splunk, STIG Viewer, MECM, SCCM, PXE, Active Directory, Group Policy
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.
HPR: Provides high-performance technology infrastructure for electronic trading markets.
3+ YOE3+ years systems administration experience; strong Linux and Windows Server skills; SIEM and vulnerability management; endpoint management; scripting with Bash, Python or Ansible; virtualization (VMware, KVM); Azure or AWS; Palo Alto firewalls; Active Directory and Microsoft 365; server hardware and data center experience; able to lift 50 lbs.
SIEM, Linux, Windows Server, Bash, Python, Ansible, VMware, KVM, Azure, AWS, Palo Alto, Active Directory, Microsoft 365, PowerShell
IPG PhotonicsNASDAQ: IPGP: Develops and manufactures high-performance fiber lasers and systems.
3+ YOE3+ years infrastructure support with Azure, Active Directory/Entra ID, Windows/Linux, VMware, Nutanix, Veeam, Exchange/Office 365 migration, PowerShell, networking, SSL/CA, ITIL and ITSM experience; strong troubleshooting and communication.
Microsoft Active Directory, Entra ID, Azure, Citrix, Microsoft 365, Nutanix, VMware, Veeam Backup, Microsoft Intune, MFA, AWS, Microsoft Exchange, Office 365, PowerShell, DNS, DHCP, LDAP, Group Policies
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
2+ YOEActive DoD Secret (or Interim Secret) clearance, IAT Level II (Security+, CompTIA A+, or Network+), bachelor's +2 years (or HS+4), AD/Group Policy, VMware ESXi, Microsoft SQL, Windows and Linux experience.
VMware ESXi, Microsoft SQL, Windows Server 2008, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Cisco IOS, HBSS, eMASS, ACAS, SCAP, VRAM, DIACAP/RMF, STIG
Information Assurance/Security Engineer - Linux Systems Specialist
Middletown, Rhode Island, United States
$85k-$120k/yrOnsiteFull Time
American Systems: Providing engineering and IT solutions to federal government agencies.
2+ YOE2+ years related experience, bachelor\u0002s degree and Linux administration, strong networking, shell scripting or Python, Red Hat/Linux certifications desired, ability to work in secure environments (Secret clearance).
Boston College: Private research university providing undergraduate and graduate academic programs.
5+ YOEBachelor's degree; strong VMware and Microsoft Windows Server expertise; experience with automation (Ansible, Python), PowerShell/PowerCLI, containers, cloud platforms, identity management, monitoring tools, scripting, patching, DR, and compliance (ITIL/HIPAA/PCI).
Microsoft Active Directory, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Windows Server 2025, Red Hat Linux, VMware, Ansible, Python, PowerShell, PowerCLI, Podman, Kubernetes, Azure, AWS, Google Cloud, Splunk, Zabbix, Packer, Jenkins, GitHub, CI/CD, Group Policy Object (GPO), Microsoft SQL, SAML, ADFS, OAUTH, ITIL, SAS115, HIPAA, PCI, SSL
Fresenius Medical CareNew York Stock Exchange: FMS: Provides dialysis services and manufactures renal care medical devices
8+ YOEBachelor’s degree in computer science, information technology, or related field; 8+ years related experience, including 4+ years in system and network administration; Windows/Linux, networking, virtualization, and cloud infrastructure expertise.
Terraform, Windows, Linux, VMware, Hyper-V, routers, switches, firewalls, Microsoft Certified: Windows Server, CompTIA Network+, CompTIA Security+, Cisco CCNA
MAPFREBolsa de Madrid: MAP: Provides global insurance, reinsurance, and financial protection services.
7+ YOERequires 7+ years of infrastructure, systems, or cloud engineering experience, including 5+ years designing and operating AWS environments, plus cloud automation, networking, security, and server administration expertise.
ModernaNasdaq: MRNA: Develops and manufactures messenger RNA medicines and vaccines.
10+ YOE10+ years SAP Basis experience with SAP S/4HANA and RISE, bachelor's degree in IT or related field, cloud and SAP HANA administration, scripting/automation, security and compliance experience.
SAP S/4HANA, SAP HANA, SAP NetWeaver, SAP Fiori, SAP Solution Manager, Cloud ALM, SAP Cloud Connector, SAP Business Technology Platform (BTP), AWS, Microsoft Azure, Google Cloud Platform, PowerShell, Bash, Python, Ansible, Terraform, Linux