31 security systems engineer jobs at 22 companies in Danbury, CT
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Principal Engineer, Systems Engineering (Onsite)
East Hartford, Connecticut, United States
$108k-$205k/yrOnsiteFull Time
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEBachelor's in engineering + 8+ years (or advanced degree + 5+ years), experience with SysML tools (IBM Rhapsody, Cameo/MagicDraw), MBSE experience, ability to obtain/maintain U.S. security clearance and U.S. citizenship required.
MBSE, SysML, IBM Rhapsody, Cameo Systems Modeler, MagicDraw, Cameo Enterprise Architect, Jira, Confluence, Microsoft Office
Sperry Rail: Global provider of rail flaw detection and inspection services.
5+ YOERequires 5+ years in systems administration or IT infrastructure with substantial security focus, or equivalent cybersecurity education and experience; Windows, Azure/AWS, Microsoft 365, security appliances, vulnerability management, scripting, and risk communication skills.
Microsoft 365, Entra ID, Azure, AWS, Windows Server, PowerShell, Python, Rapid7, SentinelOne, ConnectWise Automate, Intune, ISO 27001, NIST, SOC 2, ITIL, XDR
Yale University: Provides higher education and conducts research across various disciplines.
4+ YOEBachelor's degree and four years of experience or equivalent; knowledge of systems, software engineering, configuration management, infrastructure automation, troubleshooting, security, and technical documentation.
ECI: Provider of managed IT, cybersecurity, and cloud solutions for finance.
6+ YOE6+ years IT administration or Bachelor's degree; advanced Windows and public cloud administration (Microsoft 365/Azure), networking, virtualization, security incident response, and project delivery experience.
Microsoft 365, Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Exchange, Google Workspace, Proofpoint Essentials, Mimecast, VLAN, ACL, Cloudflare, iBoss, Active Directory, Domain Controller, Group Policy, Remote Monitoring and Management (RMM), VMware vSphere, Hyper-V, Cisco, Palo Alto Networks, Meraki, Windows Server, Windows 11, Intune, Exchange Online, SharePoint Online, OneDrive for Business, Teams, Azure AD
Holtec International: Provides nuclear fuel storage systems and small modular reactors.
0+ YOEBachelor's degree in a technical discipline and internship, academic, project-based, or up to 2 years of related experience. Requires cybersecurity principles, networking, systems, standards, technical documentation, and Microsoft Office knowledge.
Microsoft Office, NIST, ISA/IEC 62443, Industrial Control Systems (ICS), Operational Technology (OT)
Senior Associate Security Engineer - Global IT Group
Farmington, Connecticut, United States
$90k-$100k/yrHybridFull Time
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.
Veterinary Emergency Group: Operates a network of 24/7 emergency veterinary hospitals.
2+ YOERequires 2+ years of security engineering experience, hands-on AI/LLM systems experience, knowledge of prompt injection and data exfiltration, AI platform and API familiarity, and strong threat-modeling skills.
Curtiss-WrightNYSE: CW: Engineers and manufactures critical components for aerospace and defense.
5+ YOEUS citizenship and ability to obtain DOD clearance, bachelor’s in CS/IT or related, 5+ years Windows/Active Directory experience, expertise with GPO, DNS, DHCP, Kerberos, Windows server administration, and security controls.
Windows, Active Directory, Group Policy, DNS, DHCP, Kerberos
Experience in systems administration or infrastructure engineering with Microsoft 365, Entra ID, Intune/Endpoint Manager, network infrastructure, security practices, and clear communication.
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.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
BS or MS in Mechanical Engineering; U.S. citizenship and ability to obtain a security clearance. Requires mechanical systems design, analysis, communication, teamwork, and software experience.
CREO 7.0, PDMLink, CREO Simulate, SolidWorks, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Mathcad, MATLAB, Windchill PDMLink
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$131k-$245k/yrHybridFull Time
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
4+ YOEBachelor's degree,4+ years software/product/security engineering experience,distributed systems and cloud experience,proficiency in Java/Scala/C/C++/Go;EMR not required;security and IAM experience preferred.
EVERNET Consulting: Provides managed IT, cybersecurity, and digital marketing services to businesses.
Experience with agentic AI, business process automation, APIs, integrations, LLMs, automation platforms, Python or JavaScript, security governance, testing, and workflow design with human approval controls.
Microsoft 365, Google Workspace, CRM, PSA/RMM, n8n, Make, Zapier, Microsoft Power Automate, OpenAI, Azure OpenAI, Anthropic Claude, Microsoft Copilot, Python, JavaScript, REST APIs, JSON, RAG, MCP
Cross River: Provides technology infrastructure and embedded financial solutions to fintechs.
3+ YOE3+ years IT infrastructure, cloud engineering, or systems engineering; Terraform; AWS; Windows and Linux; networking; automation; monitoring; security and compliance.
Terraform, CloudFormation, AWS, Windows, Linux, GitHub Copilot, Cursor, AI development tools
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
5+ YOE5+ years web infrastructure/systems engineering experience; deep Linux knowledge, networking and cyber security fundamentals, Akamai/CDN experience, scripting with Python/Bash/Ansible, web server management, and strong troubleshooting and communication skills.
Subway: Global quick-service restaurant chain specializing in sandwiches and salads.
3+ YOEBachelor's degree or equivalent experience; 3–5 years in IAM, identity operations, systems administration, or related security infrastructure; Okta, SSO, SCIM, AD, scripting, REST APIs, ITSM, Git, and CI/CD experience.
Okta, Active Directory, Microsoft Entra ID, Microsoft 365, ServiceNow, AWS IAM Identity Center, Ceridian Dayforce, Jamf, PowerShell, Python, Bash, Git, SCIM 2.0, SAML 2.0, OIDC, OAuth 2.0, REST APIs, CrowdStrike Falcon Identity Protection, SIEM, Intune, Workday, UKG, Model Context Protocol (MCP), OWASP API Security Top 10, Microsoft SC-300
Danbury or Fitchburg or Frederick or Goose Creek or Largo or Dallas or Menomonee Falls or Cypress or Melbourne or Arlington
OnsiteFull Time
Leonardo DRSNASDAQ: DRS: Manufactures advanced electronic systems for defense and military applications.
10+ YOEMaster's preferred; 10+ years engineering experience with electronic systems, program leadership, NRC/CGID familiarity, SEU-tolerant design preferred, U.S. citizenship and DOD security clearance required.
Chenega Corporation: Provides professional government, defense, and facility support services.
5+ YOEMinimum 5 years' experience in electronic security systems; strong knowledge of IP-based security, low-voltage wiring, alarm systems, system integration; Lenel certification preferred; ability to travel and work flexible hours; proficiency with MS Word/Excel/Access/PowerPoint/Outlook.
Lenel, Microsoft Word, Microsoft Excel, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook