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Associate Security Engineer Jobs in Festus, MO (NOW HIRING)

AI-Application Security Engineer

Saint Louis, MO · On-site

$57 - $76.25/hr

Why Stifel Stifel strives for a culture that puts its clients and associates first: a culture where ... This engineer operates with moderate autonomy, leads security initiatives end-to-end, and ...

Why Stifel Stifel strives for a culture that puts its clients and associates first: a culture where ... The Engineer II will assist in the development of security solutions and the maintenance ...

... Associate & Summary At PwC, our people in data and analytics engineering focus on leveraging ... data security policies - Collaborating with business stakeholders to understand their data ...

Associate Embedded Software Engineer

Saint Louis, MO · On-site

$127K - $168K/yr

Associate Embedded Software Engineer Company: The Boeing Company The Boeing Company is looking for ... S. Security Clearance for which the U.S. Government requires U.S. Citizenship * 2+ years of ...

... Engineer - Senior Associate, you will focus on designing and building data infrastructure and ... security best practices to protect sensitive information and maintain compliance - Applying ...

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Associate Security Engineer information

See Festus, MO salary details

$35.2K

$70.1K

$112K

How much do associate security engineer jobs pay per year?

As of Jul 27, 2026, the average yearly pay for associate security engineer in Festus, MO is $70,136.00, according to ZipRecruiter salary data. Most workers in this role earn between $55,600.00 and $80,600.00 per year, depending on experience, location, and employer.

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

AspectAssociate Security EngineerSecurity Analyst
Required CertificationsCompTIA Security+, Cisco CCNA Security, or equivalentCompTIA Security+, GIAC Security Essentials (GSEC), or similar
Work EnvironmentHands-on technical roles involving system and network security implementationMonitoring, analyzing security data, and incident response
Employer & Industry UsageTech companies, cybersecurity firms, IT departmentsFinancial institutions, government agencies, large enterprises
Common Search & ComparisonYesYes

The Associate Security Engineer typically focuses on implementing and maintaining security systems, requiring technical certifications and hands-on work. In contrast, Security Analysts primarily monitor security events, analyze threats, and respond to incidents. Both roles are essential in cybersecurity teams but differ in daily responsibilities and focus areas.

What are the key skills and qualifications needed to thrive as an Associate Security Engineer, and why are they important?

To thrive as an Associate Security Engineer, you need a solid understanding of information security principles, networking, and risk assessment, often supported by a degree in computer science or a related field. Familiarity with security tools such as firewalls, intrusion detection systems (IDS), SIEM platforms, and relevant certifications like CompTIA Security+ or CEH is typically required. Strong analytical thinking, attention to detail, and effective communication make candidates stand out in this role. These skills and qualifications are crucial for identifying vulnerabilities, mitigating threats, and collaborating with teams to maintain robust organizational security.

What are some common challenges Associate Security Engineers face when transitioning from academic settings to professional environments?

Associate Security Engineers often find that the pace and complexity of professional environments differ significantly from academic settings. Real-world security systems involve legacy technologies, rapidly evolving threats, and compliance requirements that may not be covered in coursework. Collaborating across teams, responding to incidents under pressure, and balancing security best practices with business needs can be challenging at first. However, this environment offers excellent hands-on learning opportunities and mentorship from experienced colleagues to help bridge the gap.

What are Associate Security Engineers?

Associate Security Engineers are entry-level professionals who help protect an organization’s computer systems and networks from security threats. They typically assist in monitoring network activity, investigating security incidents, and implementing basic security measures under the supervision of senior staff. Their responsibilities may also include maintaining firewalls, performing vulnerability assessments, and ensuring compliance with security policies. This role serves as a foundational position for those looking to advance in the cybersecurity field.
What cities near Festus, MO are hiring for Associate Security Engineer jobs? Cities near Festus, MO with the most Associate Security Engineer job openings:
Infographic showing various Associate Security Engineer job openings in Festus, MO as of June 2026, with employment types broken down into 82% Full Time, 12% Part Time, 2% Temporary, and 4% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $70,136 per year, or $33.7 per hour.
AI-Application Security Engineer

AI-Application Security Engineer

Stifel

Saint Louis, MO • On-site

$57 - $76.25/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted yesterday


Stifel rating

8.3

Company rating: 8.3 out of 10

Based on 22 frontline employees who took The Breakroom Quiz


Job description

Why Stifel
Stifel strives for a culture that puts its clients and associates first: a culture where everyone belongs, everyone is welcome, and everyone contributes to the success of our clients, their careers, and the firm as a whole.
Let's talk about how you can find your place here at Stifel, where success meets success.
What You'll Be Doing
The AI-Application Security Engineer is responsible for implementing and scaling technical security controls and security processes across internally developed applications and AI-enabled systems. This role partners directly with engineering teams to embed security into the software development and AI lifecycles, and, in partnership with the AI-Application Security Architect, contributes to detailed technical design and operationalizes security architecture, standards, and secure-by-design practices. This engineer operates with moderate autonomy, leads security initiatives end-to-end, and contributes to the evolution of application and AI security capabilities. The role requires strong hands-on technical depth in secure software development, application security testing, vulnerability management, and emerging AI security risks, including prompt injection, model abuse, insecure integrations, and data leakage.
What We're Looking For
  • In partnership with the AI-Application Security Architect, contribute to detailed technical design and operationalize security architecture, standards, and approved security patterns across application and AI-enabled systems.
  • Partner directly with engineering teams to embed security controls and secure-by-design practices into the software development lifecycle and AI lifecycle.
  • Evaluate, test, and perform technical validation of AI and application security tools, including AI red teaming, AI and MCP gateways, DAST, SAST, SCA, API security, and mobile application security capabilities.
  • Implement, integrate, tune, and scale security tooling across application and AI environments, including runtime monitoring, governance controls, testing platforms, and posture management capabilities, with a focus on coverage, signal quality, and operational effectiveness.
  • Leverage AI and automation to scale security operations, vulnerability management, and developer enablement through technologies such as Python, AWS services, and CI/CD pipelines.
  • Triage, validate, and prioritize vulnerabilities identified through application and AI security tools, assess risk in business and technical context, and partner with engineering teams to drive timely remediation.
  • Provide hands-on guidance to developers, including low-code and no-code users, on secure development practices, platform-specific risks, secure integration patterns, and remediation approaches.
  • Support the security review and risk assessment of AI platforms, models, agents, skills, MCPs, and third-party integrations by applying defined controls, documenting risk decisions, and helping establish scalable onboarding and governance practices.
  • Develop, maintain, and improve secure coding standards, implementation guidance, guardrails, and technical documentation for both application and AI use cases.
  • Stay current on emerging cybersecurity threats, particularly in AI security, and incorporate relevant mitigations into security tooling, engineering practices, and control design.
  • Contribute to a strong security engineering culture by mentoring junior engineers, sharing technical knowledge, and helping mature application and AI security practices across the organization.

What You'll Bring
  • Understanding of application and AI security principles, methods, and technologies, including AI-specific risks such as prompt injection, model abuse, insecure agentic integrations, and data leakage.
  • Strong analytical and problem-solving skills with the ability to identify and mitigate security risks across both traditional application and AI-enabled systems.
  • Strong verbal and written communication and collaborative skills.
  • Ability to effectively communicate technical topics to technical and non-technical audiences.
  • Ability to prioritize workload and consistently meet deadlines.
  • Security architecture, threat modeling, secure design.
  • Strong analytical and problem-solving skills.

Education & Experience
  • Minimum Required: Bachelor's degree in Computer Science, Information Systems, Cybersecurity, Computer Engineering, Software Engineering, or a related combination of education and experience.
  • Minimum Required: 2+ years of information security or software development experience.

Licenses & Credentials
  • Preferred: CISSP, CSSLP, GIAC or similar.

Systems & Technology
  • Preferred: C#, Angular, Python programming experience.
  • Preferred: Experience in cloud platforms, AWS, Github.
  • Experience with application security tooling; SAST, DAST, SCA, API, Mobile, Red Team.
  • Experience with AI tools (AI Coding assistants, Skills, MCPs, Agents).

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About Stifel
Stifel is more than 130 years old and still thinking like a start-up. We are a global wealth management and investment banking firm serious about innovation and fresh ideas. Built on a simple premise of safeguarding our clients' money as if it were our own, coined by our namesake, Herman Stifel, our success is intimately tied to our commitment to helping families, companies, and municipalities find their own success.
While our headquarters is in St. Louis, we have offices in New York, San Francisco, Baltimore, London, Frankfurt, Toronto, and more than 400 other locations. Stifel is home to approximately 9,000 individuals who are currently building their careers as financial advisors, research analysts, project managers, marketing specialists, developers, bankers, operations associates, among hundreds more. Let's talk about how you can find your place here at Stifel, where success meets success.
At Stifel we offer an entrepreneurial environment, comprehensive benefits package to include health, dental and vision care, 401k, wellness initiatives, life insurance, and paid time off.
Stifel is an Equal Opportunity Employer.

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