Linux Engineer

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: CentOS, Linux, Linux Environments Certifications: None Experience: 8 + years of related experience US Citizenship Required: Yes Job Description: Job Description: Linux EngineerGDIT is looking for a skilled Linux Engineer to support the CITS contract for USCENTCOM, based in Tampa, Florida. The Linux Engineer will be responsible for designing, implementing, and maintaining secure, high-performance Linux-based systems that are critical to the operations of our enterprise environment. This role is essential for ensuring the availability, performance, and security of Linux infrastructure, supporting both traditional and cloud-based workloads.Duties and Responsibilities:We are seeking an experienced Linux Engineer with a solid background in deploying, managing, and optimizing Linux-based systems. The engineer will be responsible for:• Designing, implementing, and maintaining Linux-based infrastructure across multiple physical and virtual environments, ensuring high availability, scalability, and security.• Configuring and managing Linux servers (CentOS, RHEL, Ubuntu, etc.), including system tuning, performance monitoring, and capacity planning to meet evolving business and security needs.• Automating Linux system administration tasks using configuration management tools such as Ansible, Puppet, or Chef, and writing scripts in Bash, Python, or other relevant languages.• Troubleshooting and resolving complex Linux system issues, including network configurations, disk I/O, security vulnerabilities, and application-level performance problems.• Collaborating with other IT teams (storage, networking, security, virtualization) to design and implement infrastructure solutions that integrate with Linux systems and meet organizational objectives.• Providing mentorship and guidance to junior engineers and team members, helping them grow their technical expertise in Linux systems and best practices.Additional Responsibilities:• Implementing security best practices to harden Linux systems, ensuring compliance with applicable security policies, frameworks, and regulations, including NIST, CIS, and DoD security guidelines.• Managing Linux-based services such as web servers (Apache, Nginx), databases (MySQL, PostgreSQL), and application servers to ensure optimal performance and availability.• Supporting containerized environments, including Docker and Kubernetes, to enable scalable and efficient application deployment.• Monitoring and optimizing Linux systems for performance, resource utilization, and security using tools like Nagios, Prometheus, and ELK stack (Elasticsearch, Logstash, Kibana).• Developing and maintaining comprehensive documentation related to Linux system configurations, processes, and troubleshooting steps, ensuring consistency across the environment.• Supporting backup and disaster recovery strategies for Linux-based systems, ensuring data integrity and availability in case of failure.Education and/or Certifications:Required:• Applicable DoD 8140 or DoD 8570 CertificationDesired:• ITIL 4 Foundation Certification• Certified Kubernetes Administrator (CKA)• Red Hat Certified Engineer (RHCE)• Bachelor’s degree in IT with 8 years of experience OR 12 years of applicable experience.Required Skills:• Proficiency in administering Linux systems (RHEL, CentOS, Ubuntu, etc.), including kernel tuning, system configuration, and network management.• Strong knowledge of Linux shell scripting (Bash, Python, etc.) and automation tools (Ansible, Puppet, Chef).• Experience with Linux-based virtualization technologies such as KVM, Docker, and Kubernetes.• Strong understanding of network protocols (TCP/IP, HTTP, NFS, etc.) and troubleshooting techniques in a Linux environment.• Experience with Linux-based monitoring tools such as Nagios, Prometheus, and the ELK stack.Desired Skills:• Familiarity with containerization technologies (Docker, Kubernetes) and related orchestration tools.• Experience with cloud environments (AWS, Azure, Google Cloud) and managing Linux instances in a cloud-native environment.• Knowledge of DevOps methodologies and familiarity with CI/CD pipelines.• Experience with configuration management and infrastructure-as-code tools like Terraform, Ansible, and Puppet.Clearance Requirement:• Active Secret clearance required. (Must be eligible for TS/SCI)Travel Requirements:• Up to 10% travel required for USCENTCOM exercise support, potentially to OCONUS locations.The likely salary range for this position is $114,750 - $155,250. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA FL MacDill AFBAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.