66 linux administrator jobs at 38 companies in Epping, NH

3w
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Senior Linux Systems Administrator
Lexington, Massachusetts, United States
$115k-$152k/yr OnsiteFull Time
MIT Lincoln Laboratory
MIT Lincoln Laboratory: Building advanced technology prototypes for national security.
6+ YOEBS plus 6+ years Linux systems administration, experience with Ubuntu/RHEL, DISA STIGs and RMF, scripting (Bash/Python), automation (Ansible/Salt/Puppet), directory services and classified environment experience; ability to obtain DoD clearance.
Ubuntu, RHEL, Bash, Python, Ansible, Salt, Puppet, syslog, LDAP, Kerberos, SSSD, Active Directory, DNS, DHCP, NFS, SSH, Samba, RMF, DISA STIGs
2mo
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Principal Linux System Administrator
Merrimack, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
8+ YOEUS citizen able to obtain Top Secret clearance; 8+ years system administration experience; RHEL/Linux patching, Trellix/McAfee, Splunk, VMware, NetApp, WSUS, Microsoft Exchange; CompTIA Security+ or DoD 8570 IAT Level II; scripting (Bash, PowerShell).
RHEL, YUM, DNF, Trellix, McAfee, ePolicy Orchestrator (ePO), Splunk, Splunk Universal Forwarder, LDAP, VCSA (vCenter Server Appliance), VMware ESXi, DCUI, VMware vSphere, Microsoft Exchange, NetApp, Microsoft WSUS, Nessus, Ansible, Bash, PowerShell, DISA STIGs
5d
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Senior Linux Administrator, Engineering IT Infrastructure & Operating Systems
Wilmington, Massachusetts, United States
$96k-$131k/yr OnsiteFull Time
Analog Devices
Analog DevicesNASDAQ: ADI: Designs and manufactures semiconductors for signal processing and power management.
4+ YOE4+ years Linux systems administration experience supporting Redhat and Ubuntu, bachelor’s degree or equivalent, Python and scripting, Dev-Ops workflows, ticketing systems, strong English, U.S. citizen or permanent resident required.
Redhat, Ubuntu, Python, Lamda Functions, Dev-Ops Workflows
1mo
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Principal Linux Systems Administrator, Tewksbury, MA
Tewksbury, Massachusetts, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEU.S. citizenship and ability to obtain/maintain DoD Secret clearance, 5+ years relevant experience (or advanced degree +3 years), Linux and Windows administration, Ansible, LDAP/AD, VMware, MySQL, networking, DoDD 8140/8570 (CompTIA Security+ CE) within 6 months.
Red Hat Enterprise Linux, Microsoft Windows, Ansible, DNS, DHCP, LDAP, Active Directory, VMware, MySQL, VMware vCenter, vSphere, ESX, Microsoft WSUS, Microsoft MECM, Microsoft Exchange
3w
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Infrastructure Administrator
Somerville, Massachusetts, United States
$87k-$108k/yr HybridFull Time
RadNet
RadNetNASDAQ: RDNT: Provider of outpatient diagnostic imaging and radiology services.
3+ YOE3+ years storage/backup or systems administration experience; Associate's or Bachelor's in CS/IT/systems administration or equivalent; familiarity with SAN/NAS, backup platforms, virtualization, Linux/Windows, networking; on-call availability.
Rubrik, Commvault, Veeam, NetBackup, Dell, Pure, Nimble, Qumulo, NetApp, HPE, VMware, Hyper-V, KVM, Linux, Windows, TCP/IP, DNS, iSCSI, NFS, SMB, Fibre Channel
1mo
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Systems Administrator
Boston, Massachusetts, United States
HybridFull Time
Harvard University
Harvard University: Provides higher education and conducts advanced academic research.
5+ YOE5+ years IT experience (3+ years systems administration). Experience with Red Hat Linux, Microsoft Windows Server/Active Directory, VMware, Linux shell scripting, security/compliance (NIST 800-53, 21 CFR Part 11). RHCSA and CompTia Server+ required within 1 year if not already held.
Red Hat Linux, Microsoft Windows Server, Active Directory, VMware, Linux shell scripting, SAS, R, Python, Ansible, Jira
1mo
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Principal Systems Administrator
Hudson, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
7+ YOE7+ years system administration experience; Windows/Linux server and workstation administration; VM (ESXi, vCenter, vSphere), NetApp, PXE/WDS, WSUS, RHEL/CentOS, Unix shell scripting, Subversion/ClearCase; Security+ and active Secret clearance; must be able to obtain Top Secret.
Windows, Linux, vCenter Server Appliance (VCSA), VMware ESXi, VMware vSphere, ESXi Direct Console User Interface (DCUI), NetApp, Exchange, WSUS, Red Hat Enterprise Linux, CentOS, Subversion, ClearCase, PXE, WDS
1w
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Sr Systems Administrator
Wilmington, Massachusetts, United States
$116k-$176k/yr OnsiteFull Time
Textron
TextronNYSE: TXT: Manufactures aircraft, defense systems, and industrial specialized vehicles.
4+ YOEActive secret clearance, 4+ years systems/network administration, Windows/Linux experience, DoDD 8140/8570 certification within 6 months, experience with patching, vulnerability management, and security automation.
Windows Server, Windows 11, RedHat, Nessus, Microsoft Group Policy
4d
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IT & Security Administrator
San Francisco or Cambridge
OnsiteFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
3+ YOE3+ years IT systems/endpoint administration experience; macOS, Windows, Linux support; identity and access management; MDM and endpoint tooling; networking and hardware troubleshooting; support SOC 2/ISO/ITAR compliance.
Google Workspace, Rippling, SentinelOne, Vanta, Kandji, Jamf, Iru, Docker, GitHub, OPNsense, UniFi, Tailscale, Slack, Zoom, Neat, AWS, MDM
1d
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System Administrator II - Onsite
Nashua, New Hampshire, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
2+ YOEAssociate or bachelor's degree in a computer-related field or 4 years of IT experience; active Security+ certification and Secret clearance required. Requires systems administration experience with Windows, Active Directory, virtualization, backups, and security tools.
Active Directory, DHCP, DNS, Group Policy Management, Backup Exec, VEEAM, LTO, NAS, NETAPP, Windows KB, WSUS, PowerShell, Trellix, McAfee, ePolicy Orchestrator (ePO), ENS, DLP, DE, FRMP, VMWare ESXi, RAID, Flexera LMTOOLs, Windows Server, SQL, LINUX, RHEL
1mo
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Systems Administrator
Amherst or Boston or Madison
$50k-$90k/yr OnsiteFull Time
Frontier Science
Frontier Science: Provides data management and biostatistics for clinical trials.
Install, maintain, and secure servers, network devices, and end-user systems; monitor performance; perform backups and disaster recovery; support cloud services (GCP/Workspace); travel to data centers.
Windows, Linux, Google Cloud Platform (GCP), Google Workspace, Gmail, Drive, Okta, Active Directory
1mo
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Storage and Back up Infrastructure Administrator
Somerville or Greenville
$82k-$108k/yr HybridFull Time
DeepHealth
DeepHealth: AI-powered health informatics and diagnostic imaging software solutions.
3+ YOEAssociate's or Bachelor's in CS/IT or equivalent experience, 3+ years storage/backup/systems administration, experience with SAN/NAS and backup platforms, virtualization, Linux/Windows, networking concepts, on-call participation, and ability to travel up to 25%.
SAN, NAS, Rubrik, Commvault, Veeam, NetBackup, Dell, Pure, Nimble, Qumulo, NetApp, HPE, VMware, Hyper-V, KVM, Linux, Windows, TCP/IP, DNS, iSCSI, NFS, SMB, Fibre Channel
1mo
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SYSTEMS ADMINISTRATOR II, IS&T Systems Operations
Boston, Massachusetts, United States
HybridFull Time
Boston University
Boston University: Private research university providing higher education degree programs.
2+ YOE2+ years relevant experience or post-secondary education; CentOS/RHEL Linux administration, CLI scripting, monitoring, patching, backup/restore, SSL management, TCP/IP networking, git and configuration management experience; on-call rotation participation.
CentOS, RHEL, git, VMware, OpenShift, Kubernetes, Ansible, Terraform
3d
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Associate Systems & Cybersecurity Administrator
Nashua, New Hampshire, United States
OnsiteFull Time
Amphenol
AmphenolNYSE: APH: Manufactures electronic and fiber optic connectors and interconnect systems.
1+ YOEPreferred 1–3 years in cybersecurity, security operations, help desk, or systems administration; familiarity with enterprise security, Windows infrastructure, virtualization, backups, networking, and monitoring; associate or bachelor's degree preferred.
Microsoft 365 Security, Microsoft Defender, Microsoft Sentinel, Microsoft Entra ID, Microsoft Intune, Active Directory, Windows Server, DNS, DHCP, Group Policy, PowerShell, SIEM, EDR, VMware vSphere, Microsoft Hyper-V, SAN, NAS, Veeam, Azure Backup, SolarWinds, ManageEngine, TCP/IP, VLANs, VPNs, Linux
2mo
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Senior IT Infrastructure Administrator, Security (Azure NXT)
Pittsburgh or Boston or Toronto
HybridFull Time
Confluence
Confluence: Software for investment management data and regulatory reporting.
8+ YOE8+ years in enterprise IT infrastructure; Windows Server and Linux; certificate lifecycle (TLS/PKI); PAM and Cloudflare; security-focused, hands-on
Windows Server, Linux administration, TLS/PKI, Privileged Access Management (PAM), Cloudflare (WAF/edge security), Splunk, Sumo Logic, PowerShell
6d
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Network/System Administrator III
Bedford, Massachusetts, United States
$140k-$168k/yr OnsiteFull Time
System High
System High: Provides specialized security engineering and protection for national security missions.
5+ YOETop-Secret/SCI clearance, 5+ years experience, DoD 8570 IAT III compliance within 6 months, strong Windows/Linux/virtualization and network security experience, ability to lift 50 lbs and work with classified programs.
Microsoft Windows Server, Active Directory, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen, BMC Footprints, WSUS, Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2, Windows Server 2016, Windows 10, Microsoft Office, Logrhythm, ACAS, Nessus, SCAP, Oracle, MS SQL, Apache, Cisco
2mo
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Senior Systems Administrator/ Patch Manager
Fort Lee or Columbus or Bedford or Smyrna
OnsiteFull Time
Koniag Government Services
Koniag Government Services: Providing technical and professional services to federal agencies.
7+ YOESenior Systems Administrator with patch management, DoD experience, security clearance, CE, and relevant certifications.
IBM BigFix, PowerShell, CMD, DOS, Unix Shell, SCCM, Tanium, MECM, DISA STIGs, ACAS, Nessus, Gold Master images, Windows, Linux, Windows Server
1mo
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Senior Windows Systems Administrator
Chestnut Hill, Massachusetts, United States
$110k-$138k/yr OnsiteFull Time
Boston College
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
1w
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Administrator, Systems Operator
Nashua, New Hampshire, United States
OnsiteFull Time
Ricoh
RicohTokyo Stock Exchange: 7752: Provides office equipment, printing solutions, and IT services.
4+ YOEAssociate degree or 4 years apprenticeship or equivalent; proficiency with Linux, Java, XML, SQL, PLCs; electro-mechanical aptitude and automation troubleshooting skills.
Linux, Java, XML, SQL, PLC
1mo
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Network/System Administrator III (TS, w/SCI Eligibility) -
Hanscom AFB, Massachusetts, United States
OnsiteFull Time
RedTrace Technologies
RedTrace Technologies: Provides cybersecurity and IT consulting for federal intelligence agencies.
5+ YOETS/SCI eligibility and US citizenship required; 5-7 years related experience with 2+ years SAP experience; expertise in Windows Server, AD, Linux, virtualization, Cisco, RMF/JSIG, SIEMs, WSUS/YUM, and security assessments; able to lift 50 lbs.
Microsoft Windows Server, Microsoft Active Directory, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen, Group Policy, BMC Footprints, WSUS, Lumension, Bitlocker, Microsoft SQL Server 2012, TomCat, Microsoft IIS, Windows Server 2012r2, Windows Server 2016, Win 10, Red Hat 6.5, Microsoft Office Toolkits, SEIMs, Logrhythm, ACAS, Nessus, SCAP, SE Linux, PitBull, AppArmor, Sentris, Oracle, Apache, CISCO