> Markdown version of [/jobs/ext/165001-senior-security-engineer](https://www.wearedevelopers.com/jobs/ext/165001-senior-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Security Engineer - **Company:** Edward D. Jones & Co., L.P. - **Location:** St. Louis, MO, United States (Remote available) - **Experience:** Expert - **Salary:** $101,700.0 - $173,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), PHP (Programming Language), Microsoft Windows, Active Directory, User Authentication, Bash Shell, C Sharp (Programming Language), Unix, Software Documentation, Code Review, Cyber Security, Information Systems, Databases, Database Design, Linux, Domain Name System (DNS), Perl (Programming Language), Identity and Access Management, Intrusion Detection Systems, Lightweight Directory Access Protocols (LDAP), Mainframes, Windows Servers, MVS (OS), Systems Development Life Cycle, Azure Active Directory, Zero Trust Network Access, Virtual Directory, Scripting, System Availability, Firewalls (Computer Science), Information Technology, Vba Programming Language, Performance Monitor, 3-tier Architectures, Restful APIs, Vulnerability Analysis - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=401b25d7b835d11b ## About the Role * Bachelor's degree or equivalent work experience in Information Systems or related disciplines. Security certifications are a plus but not required. * Minimum of 5 years Information Systems Security experience, or 7 years of * Information Technology system administration and/or networking. * Research, design, implement, and maintain strategic security infrastructure. * Measure business requirements against impacts and vulnerabilities to identify the resulting security risks. * Create and maintain technical system documentation. * Provide security input into technical efforts such as system, network, application and database design. * Subject matter expert in technical security design & controls that mitigate risk. * Advanced knowledge and understanding of security systems, risks, concepts and terminology. * In depth experience with the security aspects of critical technologies (e.g., Active Directory, Linux, UNIX, MVS, Windows, Web, LDAP, DBMS, Network, Firewalls, IDS/IPS, * Strong understanding of identity-related vulnerabilities and secure configuration practices. * Authentication, Authorization, DNS, Vulnerability Assessment Tools). * Familiarity with IAM frameworks, Zero Trust principles, and regulatory compliance standards (e.g., NIST, ISO 27001). * Ability to lead or facilitate complex security efforts (e.g., vulnerability assessment, * technical request for proposals, coordinate new technology integration, system * design and implementation). * Comprehensive understanding of project management and system development Lifecycle methodologies is preferred. * Ability to diagnose complex security, network, and system issues. . * Comprehension of basic scripting languages (e.g., shell, PERL, Visual Basic, PHP, Expect). ## Description The IAM Directory Services team is responsible for the deployment, support, and continuous improvement of the firm's centralized identity infrastructure. This includes Active Directory (AD), Azure Active Directory (AAD), Mainframe ACF2, and Virtual Directory Services (VDS). Our mission is to ensure secure, scalable, and resilient identity services that support business agility and regulatory compliance., * Collaborate with security teams to address vulnerabilities in Windows Server 2022, Linux, Azure AD, LDAP, and OUD environments. * Contribute to the development of secure configurations and hardening standards. Directory Services Engineering & Support * Provide operational support and lifecycle management for Active Directory, LDAP, Azure Active Directory, REST APIs, and Virtual Directory Services. * Ensure high availability and performance of identity platforms through proactive monitoring and incident response. * Participate in on-call rotations and provide Tier 3 escalation support. Development & Automation * Design, develop, and maintain scripts and tools (primarily in Java) to automate identity workflows, improve efficiency, and integrate systems. * Assist in defining technical requirements and implementing enhancements to IAM platforms. * Proficiency in Java and scripting for automation and integration. * C# a plus * AD Explorer and Visual Studios Project Delivery & Documentation * Lead or contribute to moderately complex IAM projects, ensuring alignment with business and security objectives. * Produce and maintain technical documentation, including architecture diagrams, support runbooks, and troubleshooting guides. * Participate in code reviews and quality assurance processes. Stakeholder Engagement * Collaborate with cross-functional teams to understand business needs and translate them into secure, scalable identity solutions. * Build strong relationships with internal stakeholders to promote IAM best practices and drive adoption. ## Related Videos - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Android beyond mobile: Cars, TVs, and Wearables](https://www.wearedevelopers.com/videos/553-android-beyond-mobile-cars-tvs-and-wearables) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Your Kubernetes Node Is Not a Server: Rethinking the OS Layer](https://www.wearedevelopers.com/videos/100315-your-kubernetes-node-is-not-a-server-rethinking-the-os-layer) - [Enterprise Linux as Container Images](https://www.wearedevelopers.com/videos/1610-enterprise-linux-as-container-images) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities)