Linux Security Jobs (NOW HIRING)

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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.

Bachelor's Degree

Bachelor's Degree

• 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

• 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.

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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

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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

Work arrangement

Hybrid

Area of work

Consulting

Employment type

Regular

Contract type

Regular

Projected Minimum Salary per year

102,000.00

Projected Maximum Salary per year

152,000.00

Position type

Professional

No Travel

Company

(0147) International Business Machines Corporation

Shift

General (daytime)

Is this role a commissionable/sales incentive based position?