92 senior security engineer jobs at 42 companies in Ellington, CT

3w
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Senior Application Security Engineer
Independence or Cleveland or Kansas City or Phoenix or Tampa or Nashville or New Haven or Hartford
HybridFull Time
CBIZ
CBIZNYSE: CBZ: Provides financial, tax, and business advisory services to organizations.
8+ YOECollege degree, 8+ years related experience, expert technical knowledge in application and AI security, ability to lead teams, travel and on-call availability, strong verbal and written communication.
STRIDE, PASTA, MITRE ATLAS, OWASP Top 10, CWE Top 25, SANS 25, Semgrep, CodeQL, SonarQube, Checkmarx, Veracode, Burp Suite, OWASP ZAP, Snyk, Black Duck, GitHub Actions, GitLab CI, Azure DevOps, Jenkins, Microsoft Azure, AWS, Kubernetes, CNAPP, REST, GraphQL, OAuth 2.0, OIDC, SAML, CVSS, NIST AI RMF, EU AI Act, ISO/IEC 42001, MITRE ATT&CK, SBOM, Python, Java, C#/.NET, JavaScript/TypeScript, Go
1mo
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Lead AI Security Engineer
Johnston, Rhode Island, United States
$121k-$173k/yr HybridFull Time
FM Global
FM Global: Providing commercial property insurance and loss prevention engineering.
7+ YOE7+ years in IT or cybersecurity (including 5+ years in security engineering); hands-on security engineering for cloud, APIs, identity, data protection and monitoring; practical AI/LLM security knowledge; experience defining security requirements and frameworks.
Microsoft Copilot, Claude, Azure AI Foundry, Azure, NIST Risk Management Framework, MITRE ATLAS, OWASP Top 10, OWASP guidance for large language model applications
1w
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Senior Associate Security Engineer - Global IT Group
Farmington, Connecticut, United States
$90k-$100k/yr HybridFull Time
Allied World
Allied World: A global insurance providing solutions and services through collaborative expertise.
3+ YOERequires 3+ years of hands-on security systems experience and 3+ years as a system security engineer or related professional, plus network security, monitoring, vulnerability management, and web technology expertise.
firewalls, intrusion detection systems, anti-virus software, authentication systems, log management, content filtering, SIEM, network monitoring tools, security monitoring tools, vulnerability management tools, attack simulation tools
2mo
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Product Security Engineer
East Longmeadow, Massachusetts, United States
$100k-$110k/yr OnsiteFull Time
Cartamundi
Cartamundi: World leader in manufacturing playing cards and board games.
5+ YOE5+ years in manufacturing security or loss prevention, experience with access control/CCTV/track & trace, risk management, incident response, and collaborating with legal and law enforcement. Bachelor/Master in IT/engineering/product security or equivalent.
CCTV, access control, intrusion detection, track & trace, E-Verify
2mo
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Senior Information Security Engineer (REMOTE)
Worcester, Massachusetts, United States
$112k-$140k/yr HybridFull Time
The Hanover Insurance Group
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products to individuals and businesses.
5+ YOEMinimum 5 years administering on‑premise SIEM and IDS/IPS solutions; experience with log formats, network protocols, Linux/Windows administration, incident response, and scripting/automation. Relevant security certifications preferred.
SIEM, IDS/IPS, syslog, JSON, CEF, LEEF, Linux, Windows, Python, PowerShell, MITRE ATT&CK, NIST CSF
2d
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Senior Information Security Engineer (REMOTE)
Worcester, Massachusetts, United States
$112k-$145k/yr RemoteFull Time
The Hanover Insurance Group
The Hanover Insurance GroupNYSE: THG: Provides property and casualty insurance products and services.
Bachelor’s degree or equivalent experience and 7+ years in information, network security, or infrastructure engineering. Requires PKI, firewalls, proxies, Linux, networking, automation, monitoring, and US work authorization without sponsorship.
Public Key Infrastructure (PKI), Certificate Authorities (CA), TLS, SSL, Palo Alto, Check Point, Cisco Firepower, Fortinet, Zscaler, Blue Coat, Symantec ProxySG, Netskope, TCP/IP, DNS, DHCP, VPN, Linux, Python, Bash, PowerShell, Ansible, Terraform, LDAP, Active Directory, Kerberos, SAML, OAuth, Microsoft Azure, AWS, Google Cloud, Infrastructure as Code (IaC), Kubernetes
2mo
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Senior Principal Engineer, Architecture ASIC / System
Toronto or Ottawa or Burlington or Irvine or Morrisville or Santa Clara or Westborough
$192k-$255k/yr OnsiteFull Time
Marvell
MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.
14+ YOESenior architect with 14+ years in system architecture for SoC; expertise in interconnects, memory hierarchies, power management, security; strong technical leadership.
IP evaluation, IP block, SoC architecture
1w
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Sr. Security Engineer - Cloud Threat Detection
Charlotte or Columbus or Hartford or Chicago
$128k-$193k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
5+ YOERequires 5+ years of cybersecurity experience, hands-on AWS and GCP security operations, enterprise SIEM detection engineering, cloud telemetry analysis, documentation, and SOC analyst mentoring.
AWS, Google Cloud Platform (GCP), AWS GuardDuty, AWS CloudTrail, AWS VPC Flow Logs, AWS Config, Google Security Command Center (SCC), Google Cloud Audit Logs, Google Cloud Logging, Identity and Access Management (IAM), Orca, CrowdStrike, Wiz, Splunk, Splunk Enterprise Security, Microsoft Sentinel, QRadar, Cortex XSIAM, MITRE ATT&CK, Python, PowerShell, Bash, SentinelOne, Microsoft Defender XDR for Endpoint, SPL, SOAR
2mo
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Lead Engineer, Network Security Platform
Birmingham or Bentonville or Phoenix or Tempe or Boulder or Denver or Hartford or Fort Lauderdale or Jacksonville or Miami or Orlando or Tallahassee or Tampa or Atlanta or Des Moines or Boise or Chicago or Indianapolis or Louisville or Baton Rouge or New Orleans or Shreveport or Baltimore or Detroit or Minneapolis or Kansas City or St. Louis or Jackson or Charlotte or Raleigh or Winston-Salem or Lincoln or Omaha or Montvale or Short Hills or Albuquerque or Albany or Buffalo or Rochester or Cincinnati or Cleveland or Columbus or Oklahoma City or Harrisburg or Philadelphia or Pittsburgh or Providence or Greenville or Knoxville or Memphis or Nashville or Austin or Dallas or Fort Worth or Houston or San Antonio or Salt Lake City or Ashburn or Richmond or Milwaukee or Virginia Beach
OnsiteFull Time
KPMG
KPMG: Global professional services network providing audit, tax, and advisory.
5+ YOERequires 5+ years of network security experience, Palo Alto and Zscaler expertise, GCP security engineering, Terraform or Ansible, and a high school diploma or GED; bachelor's degree preferred.
Zscaler, Google Cloud Platform (GCP), Palo Alto, Azure, Palo Alto firewalls, Strata, VM-Series, Panorama, Prisma Access, Terraform, Ansible, Cloud Armor, Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA)
2w
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Senior Cloud Engineer
Worcester, Massachusetts, United States
$87k-$157k/yr HybridFull Time
UMass Memorial Health
UMass Memorial Health: Provides integrated medical care and clinical research in Massachusetts.
7+ YOEBachelor's degree or five years related experience; seven years of systems administration or engineering experience; cloud infrastructure expertise with AWS, Azure, GCP, or VMware Cloud; automation, networking, security, and troubleshooting skills.
Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), VMware Cloud (VMC), Terraform, Ansible, Puppet, TCP/IP, DNS, VPN, VMware vCenter, HorizonView, HPE servers, 3Par, Cisco Nexus, Checkpoint, Big IP F5 Load balancers
1w
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Senior Mechanical Engineer
Groton, Connecticut, United States
OnsiteFull Time
ThayerMahan
ThayerMahan: Provides autonomous maritime surveillance and underwater sensing systems.
8+ YOERequires U.S. citizenship, security clearance or eligibility, BS/MS in mechanical engineering or related field, and 8+ years of experience. Proficiency in 3D CAD, FEA, and ASME Y14.5; project leadership and mentoring experience required.
Autodesk Inventor, Finite Element Analysis (FEA), ASME Y14.5
1mo
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Network Engineer Senior
Johnston or Holtsville or Lincolnshire
$97k-$145k/yr HybridFull Time
Zebra Technologies
Zebra TechnologiesNASDAQ: ZBRA: Provides enterprise-grade hardware and software for asset tracking.
5+ YOEBachelor's or equivalent,5+ years enterprise network engineering experience, expertise with Zscaler, Cisco Nexus, HPE Mist, Meraki, Palo Alto; strong routing (BGP,OSPF), cloud (AWS,Azure,GCP), and security skills.
Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), Zscaler Digital Experience (ZDX), Zscaler Branch Connectors (ZTB), Cisco Nexus Dashboard, HPE Mist Wireless, Cisco Meraki, Cisco Enterprise Wireless, Palo Alto Firewalls, BGP, OSPF, TCP/IP, AWS, Azure, GCP
1w
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Sr. Security Engineer - Cloud Threat Detection
Hartford or Charlotte or Columbus or Chicago
$128k-$193k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
5+ YOERequires 5+ years of cybersecurity experience, hands-on AWS and GCP security, enterprise SIEM detection development, cloud telemetry investigation, documentation, analyst mentoring, and US work authorization without sponsorship.
AWS, Google Cloud Platform (GCP), AWS GuardDuty, AWS CloudTrail, AWS VPC Flow Logs, AWS Config, Google Security Command Center (SCC), Google Cloud Audit Logs, Google Cloud Logging, Identity and Access Management (IAM), Orca, CrowdStrike, Wiz, Splunk, Splunk Enterprise Security, Microsoft Sentinel, QRadar, Cortex XSIAM, MITRE ATT&CK, SPL, Python, PowerShell, Bash, SOAR, SentinelOne, Microsoft Defender XDR for Endpoint
2mo
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Senior Opto-Mechanical Engineer
Danbury, Connecticut, United States
$87k-$182k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years mechanical engineering experience in opto-mechanical systems; CREO, Windchill PDMLink; GD&T; U.S. citizenship; able to obtain security clearance.
CREO, Windchill PDMLink, SolidWorks, MathCad, Matlab
3d
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Senior Director AI Security
Albany or Annapolis or Atlanta or Augusta or Austin or Baton Rouge or Bismarck or Boise or Boston or Carson City or Charleston or Cheyenne or Columbia or Columbus or Concord or Coral Gables or Denver or Des Moines or Dover or Frankfort or Hagåtña or Harrisburg or Hartford or Helena or Honolulu or Indianapolis or Jackson or Jefferson City or Juneau or Lansing or Lincoln or Little Rock or Madison or Montgomery or Montpelier or Nashville or Oklahoma City or Olympia or Phoenix or Pierre or Providence or Raleigh or Richmond or Sacramento or Saint Paul or Salem or Salt Lake City or San Juan or Santa Fe or Springfield or Charlotte Amalie or Tallahassee or Topeka or Trenton or Washington
$150k-$200k/yr OnsiteFull Time
Ryder
RyderNYSE: R: Provides fleet management and supply chain logistics solutions.
10+ YOE5+ MgmtBachelor's degree required; 10+ years cybersecurity leadership, 3+ years AI/ML security, 5+ years security architecture or engineering leadership, cloud security experience, and CISSP required.
Generative AI, Large Language Models (LLMs), AI agents, machine learning, Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure, NIST AI Risk Management Framework, NIST Risk Management Framework (RMF), NIST Privacy Framework, NIST Cybersecurity Framework (CSF), ISO27001, ISO 42001, NIST 800 Series, OWASP GenAI Security Project, Workday
1mo
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Senior Principal Engineer, Airworthiness Office (Onsite)
East Hartford, Connecticut, United States
$132k-$252k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
10+ YOEBachelor's in engineering or STEM, 10+ years military airworthiness/certification or 7+ with advanced degree, active/obtainable U.S. security clearance, experience with airworthiness deliverables and stakeholder coordination.
5d
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Engineer - Systems
New London, Connecticut, United States
HybridFull Time
General Dynamics Electric Boat
General Dynamics Electric BoatNYSE: GD: Designs, builds, and maintains submarines for the U.S. Navy.
5+ YOEBachelor of Science in engineering or a related discipline, 5+ years of postgraduate engineering experience, and ability to obtain and maintain a DoD Secret security clearance.
3D model
1mo
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Development Engineer
Simsbury, Connecticut, United States
OnsiteFull Time
Ensign-Bickford Aerospace & Defense
Ensign-Bickford Aerospace & Defense: Precision energetic systems and hardware for aerospace and defense
BS/MS in engineering, experience in product development and project leadership, SolidWorks and 3D modeling, GD&T interpretation, MS Office and Microsoft Project competency, ability to obtain DoD security clearance.
SolidWorks, ANSYS, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
1w
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Readiness, Response & Recovery Security AI Developer
United States or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$59k-$206k/yr FieldFull Time
Accenture
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
3+ YOERequires 3+ years cybersecurity and data development, 4+ years client-facing consulting and tool building, 2+ years Azure, 4+ years Python, Power BI, Power Apps/Automate, SQL, or similar, and a relevant degree.
Python, Microsoft Power BI, Microsoft Azure, Power Apps, Power Automate, SQL, KQL, Sentinel Workbooks
1mo
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Principal Engineer, Mechanical - Nuclear
Charlotte or Stonington
OnsiteFull Time
Zachry Group
Zachry Group: Provides engineering, construction, and maintenance for industrial facilities.
15+ YOEABET BS in Mechanical Engineering, PE license (preferred), 15+ years relevant nuclear engineering experience, ability to pass security screening, proficiency with Microsoft Office, strong communication and leadership skills.
PEPSE, Computational Fluid Dynamics (CFD), ASME Section III Code, ASME Section VIII Code, Microsoft Word, Microsoft Excel, Microsoft PowerPoint