Senior Linux Engineer with Security Clearance

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Job description

Company Overview At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organizations. We operate as one team of diverse people, united by a passion for continuous growth and optimization. Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation. Summary Must have an active Top Secret Clearance at minimum We are seeking a skilled Linux Sr. Server Engineer to join our team and provide support for the Defense Information Systems Agency (DISA). As a Sr. Linux Server Engineer, you will be responsible for designing, deploying, configuring, and maintaining the Linux server infrastructure within the DISA environment. You will collaborate with a team of professionals to ensure the availability, security, and optimal performance of DISA's Linux server systems. Your expertise will contribute to the successful operation of critical systems that support the defense and security of our nation. Responsibilities Design, deploy, configure, and maintain enterprise-level Red Hat Enterprise Linux (RHEL) server infrastructure, ensuring scalability, reliability, and security. Diagnose and resolve complex system issues, working closely with other teams to identify and fix problems. Develop and implement automation scripts and tools to streamline system management tasks. Lead the implementation and adherence to DISA guidelines and industry best practices for RHEL server systems. Monitor and optimize server performance, ensuring high availability and efficient resource utilization. Collaborate with cross-functional teams to troubleshoot and resolve complex server-related issues, minimizing downtime and impact on operations. Develop and implement comprehensive security measures, including access controls, system hardening, and vulnerability management, to protect sensitive data and comply with regulatory requirements. Conduct regular audits and reviews of server systems to identify vulnerabilities, recommend improvements, and implement necessary changes. Stay abreast of emerging technologies, trends, and advancements in RHEL server systems and apply them effectively in the enterprise environment. Provide technical leadership and mentorship to junior engineers, fostering a culture of knowledge sharing and continuous learning. Create and maintain documentation, including system configurations, procedures, and troubleshooting guides, to ensure consistency and compliance with organizational standards. Qualifications Active DoD Top Secret Clearance at minimum required. Active CompTIA Security + required. Minimum of 8+ years of experience in Linux system administration in a large-scale enterprise environment. Bachelor's degree in computer science, Information Technology, or a related field. Relevant certifications (e.g., RHCE, LFCE) are a plus. Proficiency in RHEL 7, 8, and 9 operating systems. Demonstrated ability to automate tasks and streamline operations using scripting and other automation tools (e.g., Bash, Python, Perl). Expertise in implementing and maintaining DISA Security Technical Implementation Guides (STIGs) and other security frameworks. Strong proficiency in virtualization technologies, including VMware, and experience managing servers in virtualized environments. Strong experience with configuration management tools (e.g., Ansible). Knowledge of virtualization and containerization technologies (e.g., VMware, Docker, Kubernetes). Proven track record in designing resilient, high-performance server architectures and implementing disaster recovery solutions. Excellent analytical and problem-solving skills with a strong attention to detail. Effective communication skills with the ability to interact professionally with stakeholders at all levels. EEO Statement ValidaTek is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status. Applicants who are selected for employment will be required to verify authorization to work in the United States. Offers of employment will be contingent upon passing a post-offer background check.

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