Linux Security Engineer

IBM

Boston (MA)

Hybrid

USD 102,000 - 152,000

Full time

2 days ago

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Job summary

IBM Consulting is seeking a Linux Security Engineer to support a federal agency, focusing on Linux hardening, STIG adherence, and secure configuration management in a hybrid environment.

The role requires strong scripting, containerization, and automation skills, with experience in security tooling and Federal agency support. Collaboration across teams and clear communication are essential for success.

Qualifications

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.

Responsibilities

Perform security hardening and rule creation in Linux environments, reviewing settings to verify postures and reduce risk.
Review configuration settings to identify vulnerabilities and propose secure changes.
Audit firmware and configurations for Linux endpoints to align with vendor recommendations and best practices.
Follow STIG, DHS configs and guidance to ensure compliant deployments.
Analyze security incidents and provide improvement recommendations.
Deliver consulting to help clients achieve superior security posture and incident management.
Create remediation roadmaps to address identified vulnerabilities and incidents.

Skills

Linux servers

Configuration management

Shell scripting

Containerization

Python

Container security tools

RHCE

Education

Bachelor's Degree

Tools

Ansible

Chef

Puppet

SaltStack

Docker

Podman

Kubernetes

ECS/EKS

Fargate

Singularity

Twistlock

Falco

Clair

RHCE

Job description

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 education

Bachelor's Degree

Preferred education

Bachelor's Degree

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.

ABOUT BUSINESS UNIT

IBM Consulting is IBM’s consulting and global professional services business, with market leading capabilities in business and technology transformation. With deep expertise in many industries, we offer strategy, experience, technology, and operations services to many of the most innovative and valuable companies in the world. Our people are focused on accelerating our clients’ businesses through the power of collaboration. We believe in the power of technology responsibly used to help people, partners and the planet.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM 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, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

IBM offers a competitive and comprehensive benefits program. Eligible employees may have access to:

- Healthcare benefits including medical & prescription drug coverage, dental, vision, and mental health & well being

- Financial programs such as 401(k), cash balance pension plan, the IBM Employee Stock Purchase Plan, financial counseling, life insurance, short & long- term disability coverage, and opportunities for performance based salary incentive programs

- Generous paid time off including 12 holidays, minimum 56 hours sick time, 120 hours vacation, 12 weeks parental bonding leave in accordance with IBM Policy, and other Paid Care Leave programs. IBM also offers paid family leave benefits to eligible employees where required by applicable law

- Training and educational resources on our personalized, AI-driven learning platform where IBMers can grow skills and obtain industry-recognized certifications to achieve their career goals

- Diverse and inclusive employee resource groups, giving & volunteer opportunities, and discounts on retail products, services & experiences

We consider qualified applicants with criminal histories, consistent with applicable law.

This position was posted on the date cited in the key job details section and is anticipated to remain posted for 21 days from this date or less if not needed to fill the role.

The compensation range and benefits for this position are based on a full-time schedule for a full calendar year. The salary will vary depending on your job-related skills, experience and location. Pay increment and frequency of pay will be in accordance with employment classification and applicable laws. For part time roles, your compensation and benefits will be adjusted to reflect your hours. Benefits may be pro-rated for those who start working during the calendar year.

Job Title

Linux Security Engineer

Date posted

12-Aug-2026

Job ID

102627

City / Township / Village

Essex Junction, Annapolis Junction, ALEXANDRIA, WASHINGTON

State / Province

Virginia, Maryland, Vermont, District of Columbia

Country

United States