155 security administrator jobs at 87 companies in Nashua, NH

1mo
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Security Administrator
Cambridge, Massachusetts, United States
$60k-$90k/yr OnsiteFull Time
MORSE Corp
MORSE Corp: Employee-owned defense technology consultancy delivering algorithm, software, and systems-engineering services to U.S. national-security customers.
4+ YOEActive Secret clearance with ability to obtain Top Secret; high school diploma or equivalent plus 4 years relevant experience (or 0–2 years with associate degree); experience with JPAS, DISS, SWFT, NISS; Microsoft Office proficiency; strong written and verbal skills.
JPAS, DISS, SWFT, NISS, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Outlook
1mo
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Security Administrator/Visitor Control
Bedford, Massachusetts, United States
OnsiteFull Time
P-11 Security
P-11 Security: EDWOSB security, cybersecurity, and IT services serving defense, military, government, and educational clients.
1+ YOE1+ years related security experience, bachelor’s degree or equivalent, Secret clearance required and ability to obtain Top Secret/SCI/SAP, CI polygraph, CPR/first-aid not specified.
3w
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IT & Security Administrator
San Francisco or Cambridge
OnsiteFull Time
Lumafield
Lumafield: Industrial X-ray CT scanner and AI analysis software helping manufacturers inspect products from development through production.
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
2mo
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Security and Systems Administrator
Reading, Massachusetts, United States
OnsiteFull Time
Reading Cooperative Bank
Reading Cooperative Bank: Banking For All.
2+ YOEWindows Server/Active Directory administration, vulnerability management, security monitoring (Rapid7), incident response, system hardening, 2+ years Windows Server experience, Bachelor’s in IT or equivalent; PowerShell a plus.
Windows Server, Active Directory, Group Policy, Rapid7, SentinelOne, PhishER, Microsoft 365, InsightVM, Nessus, Qualys, PowerShell, MDR, SIEM, TCP/IP, firewalls, VPNs
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Information Systems Security Administrator
Westford, Massachusetts, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Aerospace and defense providing advanced technology solutions.
3+ YOEActive transferable U.S. government Top Secret clearance required, 3+ years system administration/desktop support experience, Windows and Linux proficiency, CompTIA Security+ within 90 days, university degree or equivalent experience.
Windows, Linux, Jira, Bitbucket, Confluence
3w
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OT Systems and Security Administrator
Boston, Massachusetts, United States
$95k-$122k/yr OnsiteFull Time
Massachusetts Port Authority (Massport)
Massachusetts Port Authority (Massport): Independent Massachusetts public authority operating airports, maritime terminals, and waterfront real estate for New England.
3+ YOEBachelor's or equivalent, 3+ years supporting OT/ICS/SCADA or systems administration and cybersecurity; Windows Server, industrial networking, remote access, scripting/automation, and strong communication and risk-assessment skills.
OT, SCADA, ICS, IoT, Windows Server, remote access technologies, scripting and automation tools, application integrations
4w
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Systems Administrator
Boston or Charlotte or Atlanta or Asheville or New York City or Westwood or McLean
$110k-$145k/yr HybridFull Time
Modera Wealth Management
Modera Wealth Management: Employee-owned fee-only fiduciary wealth management firm serving individuals, families, businesses, nonprofits, and retirement plans.
Experience in systems administration or infrastructure engineering with Microsoft 365, Entra ID, Intune/Endpoint Manager, network infrastructure, security practices, and clear communication.
Microsoft 365, Entra ID, Intune, Endpoint Manager, Exchange Online, Teams, SharePoint, Box, Meraki, FortiGate, CodeTwo, PowerShell
3w
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Fabric Administrator
Austin or Boston or Charleston or Charlotte or Chicago or Dallas or Durham or Harrisburg or Houston or Irvine or Kansas City or Los Angeles or Miami or Nashville or New York or Newark or Palo Alto or Pittsburgh or Portland or Raleigh or San Francisco or Seattle or Washington or Wilmington
$98k-$184k/yr HybridFull Time
K&L Gates
K&L Gates: Global law firm providing corporate, regulatory, litigation, and policy services to companies, public entities, institutions, and individuals.
5+ YOESenior technical lead for Microsoft Fabric with 5+ years Azure experience, 2+ years production Fabric experience, advanced SQL, governance/security, CI/CD, Purview, Entra ID, gateway and capacity administration.
Microsoft Fabric, OneLake, Microsoft Entra ID, Microsoft Purview, Azure DevOps, GitHub Actions, Power BI, ServiceNow, PowerShell, Python, Fabric Capacity Metrics App, Fabric Deployment Pipelines, Fabric REST API
2mo
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Salesforce Administrator
North Andover or Andover or United States
$125k-$140k/yr RemoteFull Time
Watts Water Technologies
Watts Water TechnologiesNYSE: WTS: Providing safe, clean, and sustainable water solutions.
5+ YOEBachelor's or equivalent experience; 5+ years Salesforce administration in global/enterprise environments (Sales Cloud, CPQ, Service Cloud); strong config, security, data management, automation, reporting, Apex/LWC and integration knowledge; stakeholder collaboration skills.
Salesforce, Sales Cloud, Service Cloud, ARM, RCA, CPQ, Salesforce Revenue Cloud Advanced, Apex, Lightning Web Components, APIs
5d
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Systems Administrator
Boston, Massachusetts, United States
$93k-$137k/yr OnsiteFull Time
Massachusetts Trial Court
Massachusetts Trial Court: The trial-court system of the Massachusetts Judicial Branch responsible for the administration of justice and case management.
3+ YOEBachelor's degree in computer science, engineering, or related technical field plus 3 years of comparable IT experience. Requires Linux and Windows Server administration, infrastructure services, networking, VMware, Microsoft 365, storage, security, backups, scripting, and ITIL knowledge.
Microsoft 365, Linux, Red Hat Enterprise Linux, Windows Server, VMware ESXi, NSX, NAS, SAN, Bash, Perl, PowerShell, Python, ITIL Framework, SSL/TLS, PAM
3w
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Network Administrator, Sr
Portsmouth, New Hampshire, United States
OnsiteFull Time
SMS Data Products
SMS Data Products: Managed services and cloud modernization provider delivering IT solutions for federal and commercial customers.
8+ YOERequires 8+ years of DoD network administration experience, a bachelor's degree, Cisco CCNP or equivalent, CompTIA Security+ CE, and an active DoD Secret clearance.
NIPR, SIPR, SolarWinds, Splunk, ServiceNow
1w
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Senior Systems Administrator
Boston or New York City or Washington
OnsiteFull Time
Wolf Greenfield
Wolf Greenfield: Private intellectual-property law firm serving corporations, universities, research institutions, startups, and inventors.
10+ YOEBachelor's degree, 10+ years technical experience, and extensive Windows Server, PowerShell, Active Directory, Group Policy, VMware, backup, security, and systems administration experience.
Windows Server, PowerShell, Active Directory, Group Policy, VMware vCenter, VMware ESXi, Veeam Backup and Replication, Microsoft 365, Entra, MFA, ManageEngine PAM360, ManageEngine Endpoint Central, Azure IaaS, Terminal Services, iManage
3mo
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Senior IT Infrastructure Administrator, Security (Azure NXT)
Pittsburgh or Boston or Toronto
HybridFull Time
Compliance Solutions Strategies
Compliance Solutions Strategies: Confluence is a private software providing regulatory reporting, portfolio analytics, and investor-communications solutions for investment managers.
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
2mo
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Principal Systems Administrator
Hudson, New Hampshire, United States
$118k-$201k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
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
2mo
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Systems Administrator
Boston, Massachusetts, United States
HybridFull Time
Harvard T.H. Chan School of Public Health
Harvard T.H. Chan School of Public Health: Nonprofit Harvard public health school educating leaders, conducting research, and developing solutions to improve population health and equity.
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
1w
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Senior Systems Administrator
Boston or New York City or Washington
$130k-$160k/yr OnsiteFull Time
Wolf Greenfield
Wolf Greenfield: Private intellectual-property law firm serving corporations, universities, research institutions, startups, and inventors.
10+ YOEBachelor's degree in computer information systems or related field; 10+ years technical experience; extensive Windows Server, Active Directory, VMware, PowerShell, backup, security, and infrastructure administration experience.
Windows Server, PowerShell, Active Directory, Group Policy, VMware vCenter, VMware ESXi, Veeam Backup and Replication, Microsoft Entra, MFA, ManageEngine PAM360, ManageEngine Endpoint Central, Azure IaaS, Terminal Services, iManage, Microsoft 365
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Sr Systems Administrator
Wilmington, Massachusetts, United States
$116k-$176k/yr OnsiteFull Time
Textron Systems
Textron Systems: Private Textron subsidiary providing defense, aerospace, and homeland-security technologies and services to government and commercial customers.
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
3w
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System Administrator II - Onsite
Nashua, New Hampshire, United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
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
2w
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Regional Float System Administrator
Portsmouth, New Hampshire, United States
FieldFull Time
The Pictsweet Company
The Pictsweet Company: Family-owned producer and distributor of frozen vegetables.
5+ YOERequires 5+ years of experience, a bachelor's degree in IT or a related field, Secret clearance, and proficiency in systems administration. CompTIA Security+ and ITIL 4 Foundation are preferred.
Active Directory (AD), System Center Configuration Manager, Post Administration Tool, Travel Document Issuance System, Passport Records Imaging System Management, Automated Cash Register System, vSphere Installation Bundles (VIBs), Oracle, SQL, ServiceNow
3mo
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Site Security Manager, USARC DEERS/RAPIDS
Hoover or Pago Pago or Los Alamitos or Los Angeles or Mountain View or Aurora or Orlando or Fort Gillem or Fort Shafter or Darien or Arlington Heights or Forest Park or Fort Knox or Devens or Livonia or Saipan or Vicksburg or Charlotte or Fort Bragg or Londonderry or Fort Totten or Rochester or Williamsport or Johnstown or Moon Township or Fort Buchanan or Greenville or Grand Prairie or Houston or Salt Lake City or Abingdon or Marysville or Vancouver
OnsiteFull Time
Yorktown Systems Group
Yorktown Systems Group: Provider of specialized training, mission support, and human capital solutions.
1+ YOEHigh school diploma and 1 year customer service experience; proficient in MS Office; RAPIDS certification required; administrative and security duties.
Microsoft Word, Outlook, RAPIDS, scanners, copiers, keyboard, mouse