Linux Security Engineer

Introduction

A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red Hat, you’ll have the tools to drive meaningful change and accelerate client impact. At IBM Consulting, curiosity fuels success. You’ll be encouraged to challenge the norm, explore new ideas, and create innovative solutions that deliver real results. Our culture of growth and empathy focuses on your long-term career development while valuing your unique skills and experiences.

Your role and responsibilities

As a Linux Security Engineer in Infrastructure Security, you play a crucial role in helping maintain security posture for supporting the mission of a progressive Federal agency.

Your primary responsibilities will include:

• Perform security hardening and rule creation Linux environment. This includes reviewing new and re-evaluating existing configuration settings and rules to verify USCIS’ security posture and eliminate unnecessary risk.

• Review existing configuration settings to identify potential security vulnerabilities and propose settings or architectural changes to address these vulnerabilities.

• Audit firmware versions and configuration settings for all Linux end points to eliminate vulnerabilities and ensure network devices are deployed in accordance with vendor recommendations, industry best-practices, DoD

• Security Technical and Implementation Guides (STIG), and DHS configuration guidance.

• Analyze Security Incidents and provide recommendations for improvement.

• Deliver consulting services to help clients achieve a superior security posture and effectively manage security incidents.

• Create remediation recommendations and roadmaps to address identified security vulnerabilities and incidents.

Required technical and professional expertise

• Expertise in installing, configuring, operating, and patching Linux servers and managing Linux-based applications.

• Advanced knowledge of configuration management tools (e.g., Ansible, Chef, Puppet, SaltStack) and Linux/Windows administration in medium-large enterprises.

• Strong shell scripting experience (ssh, scp, rsync, sudo) with hands‑on work in containerization and orchestration tools (Docker, Podman, Kubernetes, ECS/EKS, Fargate, Singularity).

• Advanced understanding of clustering, load balancing, replication services, and automation using Python with frameworks such as Flask, Django, or FastAPI.

• Familiarity with container security tools (Twistlock, Falco, Clair) and possession of an active RHCE or equivalent certification/experience.

Ability to obtain and maintain Public Trust clearance

Preferred technical and professional experience

• Able to perform security hardening, reviewing new and re-evaluating existing configuration settings and rules to verify organizations security posture and eliminate unnecessary risk in all environments.

• Experience supporting federal agencies.

• Ability to demonstrate and explain technical concepts to both technical and non-technical audiences

• Able to clearly communicate with both customers and teammates and provide recommendations for improvements to existing software applications

• Understanding of New Relic, Nagios or similar monitoring.

IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.