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Senior Security Engineer Jobs in Missouri (NOW HIRING)

Jobtailor

Senior Security Engineer

California, MO · On-site

$120 - $180/hr

Contribute to security documentation and standards, ensuring we have clear, actionable guidance for engineers on topics such as authentication, authorization, data encryption, and key management.

New

The Timberline Group

Sr Security Engineer

Saint Louis, MO · On-site +1

$111K - $152K/yr

* The Cyber Security Audit Engineer will manage a variety of technical security auditing capabilities, including a holistic auditing approach of applications, databases, servers, networking devices ...

IPFS Corporation

Senior Security AI Engineer

Kansas City, MO · On-site

$120 - $150/hr

Senior Security AI Engineer We are seeking a Senior Security AI Engineer to strengthen our cybersecurity posture across cloud, on‑premises, and AI‑enabled systems. This role is ideal for someone ...

New

Core and Main LP

Senior Info Security Engineer

Saint Louis, MO · On-site

$108K - $148K/yr

Position Summary We are seeking a Senior Information Security Engineer to strengthen enterprise security controls and improve operational effectiveness across security monitoring, cloud identity and ...

CORE & MAIN LP

Senior Info Security Engineer

Saint Louis, MO · On-site

$100 - $130/hr

We are seeking a Senior Information Security Engineer to strengthen enterprise security controls and improve operational effectiveness across security monitoring, cloud identity and access management ...

New

Coreandmain

Senior Info Security Engineer

Saint Louis, MO

$108K - $148K/yr

Position Summary We are seeking a Senior Information Security Engineer to strengthen enterprise security controls and improve operational effectiveness across security monitoring, cloud identity and ...

Imperial PFS

Senior Security AI Engineer

Kansas City, MO · Hybrid

$111K - $153K/yr

We are seeking a Senior Security AI Engineer to strengthen our cybersecurity posture across cloud, on-premises, and AI-enabled systems. This role is ideal for someone who combines deep technical ...

Imperial PFS

Senior Security AI Engineer

Kansas City, MO · On-site

$111K - $153K/yr

We are seeking a Senior Security AI Engineer to strengthen our cybersecurity posture across cloud, on-premises, and AI-enabled systems. This role is ideal for someone who combines deep technical ...

Imperial PFS

Senior Security AI Engineer

Kansas City, MO · On-site

$111K - $153K/yr

Imperial PFS is seeking a Senior Security AI Engineer to strengthen their cybersecurity posture across various environments. This role involves designing and implementing security controls ...

Imperial PFS

Senior Security AI Engineer

Kansas City, MO · Hybrid

$111K - $153K/yr

We are seeking a Senior Security AI Engineer to strengthen our cybersecurity posture across cloud, on-premises, and AI-enabled systems. This role is ideal for someone who combines deep technical ...

Optiv Security, Inc.

Sr. Zscaler Engineer

Kansas City, MO · Remote

$111K - $153K/yr

ZScalerEngineer to join Optiv Security's 24x7x365 Security Operations Center as a member of the ... The Sr.ZScalerEngineer will be responsible for following Optiv AFC processes & procedures, as well ...

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All JobsSecurity Engineer JobsSenior Security Engineer JobsSenior Security Engineer Jobs in Missouri

Senior Security Engineer information

See Missouri salary details

$68.9K

$128.6K

$174.9K

How much do senior security engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior security engineer in Missouri is $128,629.00, according to ZipRecruiter salary data. Most workers in this role earn between $107,400.00 and $147,300.00 per year, depending on experience, location, and employer.

What skills and qualifications are needed to be a senior security engineer?

To thrive as a Senior Security Engineer, you need deep expertise in network security, risk assessment, incident response, and a relevant degree or equivalent experience. Familiarity with security tools such as SIEM platforms, firewalls, IDS/IPS, and certifications like CISSP or CEH are typically required. Strong analytical thinking, effective communication, and leadership abilities help you excel in complex security environments. These skills and qualifications are crucial to safeguard organizational assets and maintain robust defense against evolving cyber threats.

What is the difference between Senior Security Engineer vs Security Analyst?

AspectSenior Security EngineerSecurity Analyst
Required CredentialsCertifications like CISSP, CISA, CEH; Bachelor's or Master's in Cybersecurity or related fieldsCertifications like CompTIA Security+, GIAC Security Essentials; Bachelor's in Cybersecurity, Information Technology, or related fields
Work EnvironmentDesigning security systems, implementing security measures, leading security projectsMonitoring security alerts, analyzing threats, conducting security assessments
Employer & Industry UsageUsed in tech companies, finance, healthcare for security infrastructure rolesCommon in various industries for threat detection and incident response

The main difference is that Senior Security Engineers focus on designing and implementing security solutions, while Security Analysts primarily monitor and analyze security threats. Both roles require relevant certifications and work in similar environments, but their responsibilities differ in scope and focus.

What does a senior security engineer do?

A senior security engineer designs, implements, and manages security systems to protect an organization’s information assets. They analyze vulnerabilities, respond to security incidents, and develop policies to ensure compliance, often using tools like firewalls, intrusion detection systems, and security information and event management (SIEM) platforms. They also mentor junior staff and may hold certifications such as CISSP or CISM.

How does a senior security engineer collaborate with other departments to enhance organizational security?

Senior Security Engineers frequently work cross-functionally, partnering with IT, software development, and compliance teams to implement security best practices and respond to incidents. They play a key role in conducting security reviews, advising on secure design, and leading incident response efforts. Effective communication and collaboration are essential, as these engineers often translate technical risks into business terms and provide guidance during audits or vulnerability assessments. This collaborative approach helps ensure comprehensive protection across all organizational assets.
What are the most commonly searched types of Security Engineer jobs in Missouri? The most popular types of Security Engineer jobs in Missouri are:
What are popular job titles related to Senior Security Engineer jobs in Missouri? For Senior Security Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Senior Security Engineer jobs in Missouri look for? The top searched job categories for Senior Security Engineer jobs in Missouri are:
What cities in Missouri are hiring for Senior Security Engineer jobs? Cities in Missouri with the most Senior Security Engineer job openings:
What are popular job titles related to Senior Security Engineer jobs in MO? For Senior Security Engineer jobs in MO, the most frequently searched job titles are:
Senior Security Engineer jobs near you
Infographic showing various Senior Security Engineer job openings in Missouri as of August 2026, with employment types broken down into 84% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $128,629 per year, or $61.8 per hour.

Senior Security Engineer

Jobtailor

California, MO • On-site

$120 - $180/hr

Other

Posted 3 days ago

New

Job description

Responsibilities
  • Design and implement security controls and tooling across Sift’s infrastructure and applications (e.g., IAM policies, network controls, secrets management, endpoint protections, container and workload security).
  • Embed with product and platform teams to perform security design reviews, threat modeling, and code or configuration reviews for new features and services.
  • Improve the secure SDLC by integrating AI‑powered scanning tools, security scanning (SAST/DAST, dependency and container scanning) into CI/CD, and by developing guardrails, templates, and best practices for engineers.
  • Own or co‑own vulnerability management workflows, from discovery and triage through remediation, including defining SLAs, coordinating with service owners, and tracking closure.
  • Develop automation (scripts, services, integrations) to detect misconfigurations, anomalous activity, or policy violations, and to reduce manual operational work for the security team.
  • Participate in security incident response (on‑call rotation or escalation), including investigation, containment, root cause analysis, and long‑term fixes.
  • Contribute to security documentation and standards, ensuring we have clear, actionable guidance for engineers on topics such as authentication, authorization, data encryption, and key management.
  • Support audits and assessments (e.g., SOC 2, customer security questionnaires) by providing technical details and evidence of control design and effectiveness.
  • Mentor other engineers on secure design and implementation practices through pairing, reviews, training sessions, and written guidance.
Qualifications
  • 5+ years of experience in security engineering, infrastructure engineering, or application security, ideally in a B2B SaaS or cloud‑native environment.
  • Hands‑on experience with at least one major public cloud platform (e.g., GCP, AWS), including IAM, networking, logging/monitoring, and security services.
  • Strong proficiency in at least one programming or scripting language (e.g., Python, Go, Java, or similar) and experience using code to automate security controls or detection.
  • Direct experience with AI/LLM‑specific security risks (prompt injection, model supply chain, etc.).
  • Demonstrated knowledge of secure application and system design, including topics such as authentication/authorization, encryption in transit and at rest, least‑privilege access, and secrets management.
  • Experience with security tooling such as vulnerability scanners, SAST/DAST tools, SIEM/centralized logging, endpoint protection, or cloud security posture management.
  • Solid understanding of common vulnerabilities and attack patterns (e.g., OWASP Top 10, misconfigurations, supply‑chain risks) and how to mitigate them in practice.
  • Ability to work cross‑functionally with engineering, IT, and compliance/legal teams, and to translate security requirements into practical implementation details.
  • Clear written and verbal communication skills, including the ability to document designs and decisions and to educate others on security best practices.
  • A collaborative, pragmatic approach: you’re comfortable making risk‑based decisions, proposing options, and supporting teams in implementing secure, scalable solutions.
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