Selinux

Selinux Engineer Jobs

2 jobs found

30d ago

DevOps Software Engineer

Lambentwit technologies Springfield, VA

Springfield, VA

30d ago Closed

$175k - $250k/yr Full time Ansible Application Security Automation

This position is no longer accepting applications (closed Nov 4, 2026).

Job Description

Lambentwit technologies is seeking a DevOps Software Engineer to support a high-profile government mission from Springfield, VA in an onsite environment. The role centers on building and maintaining secure, Linux-based infrastructure, with a strong emphasis on automation and mission-critical operations.

This position requires an active TS/SCI clearance with CI Polygraph and experience delivering reliable infrastructure within a classified setting. You will help ensure secure Linux environments through hardening practices, configuration compliance, and automation that supports ongoing upgrades and patch management.

What you’ll do

Administer and maintain secure Linux-based environments.
Develop and maintain infrastructure automation using Python and Ansible.
Implement and uphold Linux security best practices, including SELinux and STIG compliance.
Provision, configure, and maintain Linux servers.
Automate infrastructure deployment and system configuration.
Troubleshoot system performance, security, and operational issues.
Collaborate with engineering and cybersecurity teams to support secure and dependable infrastructure.
Support system upgrades, patch management, and configuration management activities.
Maintain technical documentation and operational procedures.

Requirements

Active TS/SCI clearance with CI Polygraph (Required).
Bachelor’s degree in Computer Science, Information Technology, Engineering, or equivalent experience.
3+ years of experience in DevOps, Linux Administration, or Systems Engineering.
Strong troubleshooting and analytical skills.
Ability to work effectively in a secure, classified environment.
Strong experience with Linux administration (RHEL/CentOS/Ubuntu).
Experience with SELinux configuration, management, and troubleshooting.
Proficiency in Python scripting for automation.
Experience with Ansible for configuration management and infrastructure automation.
Knowledge of Linux security hardening and system provisioning.
Experience developing and maintaining automated configuration management solutions.
Familiarity with Linux shell scripting (Bash).

Technologies you’ll work with

Linux, RHEL, CentOS, Ubuntu
SELinux
Python, Ansible, Bash
STIG
Git
CI/CD pipelines
AWS, Azure, OpenShift

Benefits

401(k)
401(k) matching
Dental insurance
Employee assistance program
Health insurance
Health savings account
Life insurance
Paid time off
Parental leave
Professional development assistance
Retirement plan
Vision insurance

Additional experience

Experience with Linux system administration
Linux scripting and automation
Automated system configuration and deployment
Linux security implementation and compliance
Operating system provisioning and lifecycle management
Infrastructure automation and configuration management

Preferred qualifications

Experience supporting DoD or Intelligence Community environments
Familiarity with STIG implementation and compliance
Experience with Git version control
Experience with CI/CD pipelines
Knowledge of virtualization technologies
Familiarity with cloud technologies (AWS, Azure, or OpenShift) is a plus
Security+ or Linux-related certifications (RHCSA/RHCE, Linux+, etc.) are desirable

Compensation: USD 175,000 - 250,000 per year.

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3mo ago

Cyber Security Engineer - NSS Tools

CACI St. Louis, MO

St. Louis, MO

3mo ago Closed

$75k - $158k/yr Full time Cloud Platforms Cybersecurity Tools Information Security

This position is no longer accepting applications (closed Aug 20, 2026).

Job Description

CACI seeks a Cyber Security Engineer focused on NSS Tools and Linux systems to strengthen network defense and cybersecurity capabilities. This on-site role in St. Louis, Missouri requires a TS/SCI clearance.

Responsibilities

Design and deploy shell scripts to automate routine system maintenance, boosting efficiency and reliability.
Configure and manage system logging, including remote logging, to support thorough log analysis for troubleshooting and security monitoring.
Set up and sustain networking services, including firewall configurations and SELinux policies, to ensure secure and optimized system performance.
Configure local storage using partitions and logical volumes to meet project-specific requirements.
Deploy, configure, and maintain systems, ensuring software installations, updates, and core services are effectively managed.
Apply knowledge of DNS, SMTP, and DHCP and utilize network troubleshooting tools such as tcpdump, Traceroute, Ping, Netstat, and nslookup to diagnose and resolve issues.

Requirements

Proven Linux system administration experience with a strong focus on shell scripting and system automation.
Expertise in configuring system logging, analyzing logs for troubleshooting, and implementing secure networking services.
Familiarity with AWS services including EC2, S3, CloudFormation, and Terraform is advantageous.
Experience with automation tools like Ansible and version control systems such as GitHub or GitLab for script and code management.
Proactive approach to system optimization and a continuous learning mindset to stay current with Linux systems and cybersecurity.
Excellent collaboration skills with the ability to work effectively across teams to achieve system-related goals.
Active Top Secret/SCI clearance with experience on US Government contracts.
DOD 8570 IAT II and CSSP Infrastructure Support certifications.
Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or Electrical Engineering.
7+ years of related experience in SEIM, network operations, network engineering, leading technology teams, leading operation cybersecurity teams, or a combination thereof.

Technologies

Linux
Shell scripting
AWS (EC2, S3, CloudFormation, Terraform)
Ansible
GitHub
GitLab
SELinux
tcpdump
Traceroute
Ping
Netstat
nslookup

Benefits

Healthcare
Wellness
Financial
Retirement
Family support
Continuing education
Time off benefits
Flexible time off
Learning and development opportunities
Competitive compensation

What You Can Expect

A culture of integrity.
An environment of trust.
A focus on continuous growth.

Pay Range

Salary range is USD 75,200 to 158,100 per year. A variety of factors influence final compensation, including geographic location, contract labor categories and wage rates, prior experience, specific skills and certifications, education, and certifications. CACI emphasizes the flexibility to balance high quality work with personal life and offers a comprehensive package of benefits, including healthcare, wellness, financial and retirement support, family assistance, continuing education, and time off benefits. The stated range reflects the role's potential earnings, with the actual figure determined by several considerations.

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Selinux Engineer Jobs

DevOps Software Engineer

Cyber Security Engineer - NSS Tools

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