Last updated: 2025-10-30

36 Defense And Security Analyst jobs in St. Louis.

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Scale AI

At Scale, we believe that the transition from traditional software to AI is one of the most important shifts of our time. Our mission is to make that happen fa…

Mission Software Engineer

St. Louis

  • Skills: Mission Software Engineer, customer engagement, backend solutions, data integrations, cloud technologies, Python, JavaScript, data engineering, problem-solving, security clearance
  • Level: mid
  • Type: full_time

Boeing

Boeing is a leading aerospace company that creates aerospace products and services that shape the future of travel and aviation.

Engineering Jobs

Hazelwood

  • Skills: aerospace, engineering, manufacturing, cybersecurity, data science, analytics, information technology, veteran opportunities, contract jobs, innovation
  • Level: mid
  • Type: full_time

QuikTrip Corporation

Division Protective Services Specialist

Saint Charles

  • Skills: physical security, administrative security, security incident response, confidentiality, communication skills, customer service, security checks, emergency responder, criminal justice, problem solving
  • Level: mid
  • Type: full_time

SAIC

SAIC® is a premier Fortune 500® mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portf…

Logistics Principal

St. Louis

  • Skills: logistics, deployment, military relocation, contingency planning, resource movement, engineering, intelligence community, planning, accountability, material tracking
  • Level: senior
  • Type: full_time

General Dynamics

A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. governmen…

TSCM Practitioner

St. Louis

  • Skills: TSCM, Cybersecurity, Risk Management, Technical Evaluation, Signal Analysis, Policy Compliance, Risk Assessment, Technical Surveillance, Physical Security, Data Analysis
  • Level: mid
  • Type: full_time

North Point Technology

Help build the next generation of GEOINT mission software for the Intelligence Community. North Point Technology is THE BEST place to work for curious-minded e…

TS/SCI-cleared Software Engineer SMEs

St. Louis

  • Skills: Top Secret clearance, GEOINT, cloud environments, microservices, DevSecOps, React, AWS, containerization, web technologies, Agile
  • Level: senior
  • Type: full_time

ServiceNow

ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500®. Our intelli…

Principal Technical Consultant (Integrations/AI), Federal - Top Secret Clearance

St. Louis

  • Skills: Integrations, AI, ServiceNow, Web Services, Deep Learning, Generative AI, Configuration, Architecture, Middleware, SaaS
  • Level: senior
  • Type: full_time

CyberSearch

Specializes in Staffing Services for Accounting, Finance, Human Resources, Marketing, Technology, and other domains.

Data Analyst/Developer

St. Louis

  • Skills: Data Analysis, PI Systems, SQL, SSIS, SSRS, Windows Troubleshooting, Security Management, Powershell, Automation, NERC CIP
  • Level: mid
  • Type: contract

United States Army National Guard

35N Signals Intelligence Analyst

St. Louis

  • Skills: Signals Intelligence, foreign communications, intelligence reports, military tactics, radio signals, surveillance systems, communication analysis, security clearance, tuition assistance, part-time service
  • Level: entry
  • Type: part_time

Booz Allen Hamilton

Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities. We bu…

Technical Surveillance Countermeasures Practitioner

St. Louis

  • Skills: Technical Surveillance Countermeasures, counterintelligence, security deficiencies, risk assessment, Radio Frequency signal analysis, technical evaluation, intelligence, policy compliance, training, TSCM operations
  • Level: senior
  • Type: full_time

Army National Guard

The Army National Guard serves as a vital reserve force, contributing to national defense and emergency response missions while helping individuals enhance car…

Signals Intelligence Analyst

St. Louis

  • Skills: Signals Intelligence, Foreign Communications, Military Defense, Tactical Intelligence, Database Management, Surveillance Systems, Communications Equipment, Military Operations, Technical Reports, Data Analysis
  • Level: entry
  • Type: full_time

CrowdStrike, Inc.

As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations.

Technical Analyst, Endpoint Protection Team

St. Louis

  • Skills: cybersecurity, incident response, malware analysis, forensic analysis, network operations, programming, incident handling, security operations, vulnerability assessment, remediation
  • Level: entry
  • Type: full_time

United States Army National Guard

35T Military Intelligence Systems Maintainer/Integrator

St. Louis

  • Skills: Military Intelligence, security clearance, network administration, electronic warfare, communications equipment, CompTIA Security+, Virtual Machine, data extraction, hardware maintenance, electronics technician
  • Level: entry
  • Type: part_time

Leidos

Leidos is a national security, engineering, and IT solutions company. The successful candidate will support the development and production of innovative techno…

Advanced Contracts Manager

East Saint Louis

  • Skills: contracts management, proposals evaluation, contract negotiations, strategic solutions, risk mitigation, customer relationships, Federal Acquisition Regulations, DIA, NGA, TS/SCI Clearance
  • Level: senior
  • Type: full_time

LEIDOS

Leidos is a national security company focused on developing and producing innovative technology that safeguards our warfighters and our nation.

Advanced Contracts Manager

Arnold

  • Skills: contracts management, proposals oversight, negotiations, risk mitigation, Federal Acquisition Regulations, DIA expertise, NGA experience, data analysis, interpersonal skills, customer relationship management
  • Level: senior
  • Type: full_time

Mantech International Corporation

MANTECH provides advanced solutions to government intelligence agencies, working on national security challenges with groundbreaking technology.

Technical Surveillance Countermeasures Lead

St. Louis

  • Skills: Technical Surveillance Countermeasures, Policy Adherence, National Security, Operational Leadership, Data Integrity, TSCM Certification, Cyber Security, DoD Regulations, Mission Reporting, Threat Analysis
  • Level: senior
  • Type: full_time