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# Operating System Security Developer

- **Company:** IBM
- **Location:** UK
- **Experience:** Expert
- **Salary:** £50,713.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), IBM AIX, Authentication Protocols, Unix, Network Analysis, Data Structures, Software Debugging, Linux, Device Drivers, HP-UX, Key Management, Network Security, Network Protocols, OAuth, Public Key Infrastructure, Role-Based Access Control, Security Assertion Markup Language (SAML), Single Sign-On, Solaris (Operating System), TCP/IP, Multithreading, Cloud Platform System, Software Security, U-Boot, Operating System Security, Vulnerability Analysis
- **Published:** October 25, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5295888359

## About the Role

* 6 to 10 years of experience in Platform Security Development.
 * Strong skills in C programming
 * Experience in Algorithms, Data Structures/File Structures
 * Strong skills in Unix/Linux internals - Hands-on in multi-threading, synchronization & Kernel programming etc.
 * Hands-on and working/implementation experience in platform Security Engineering domain -
 * Design and development of UNIX/Linux operating system security features in the areas of authentication, authorization, Trusted Execution, System Auditing, Secure Boot, Encryption Techniques etc.
 * Development of access control policies like Role Based Access Control (RBAC), Multi Level Security (MLS), encryption, key management, vulnerability assessments, credential/secrets management
 * Experience in SSL/TLS protocols, authentication protocols like, SSO, Oauth2, SAML etc.
 * Experience in application security, cryptography, PKI, network security, IPSecurity, IKE etc
 * Knowledge of TCP/IP and network protocols, network analysis, IP filers etc.
 * Proven Debugging, troubleshooting device drivers and Problem-Solving skills
 * Proven Interpersonal soft, oral, and written communication skills.
 * Interact with customers, understand their requirements, and add new features.
 * Work closely with cross-functional teams across multiple locations (worldwide).

Preferred Technical And Professional Expertise

 * Prior Operating System development experience in UNIX (HP UX, Solaris, AIX) or Linux Operating systems.

## Description

* Design, development & support of new feature functions, adopting new security policies/standards for AIX Operating System.
 * Work with Product Managers, Senior leaders, and customers to understand the Business needs and implement the same in AIX.
 * Adhere to the AIX development process and ensure successful delivery for the respective component.