Senior Systems Engineer

Senior Systems EngineerThe Senior Systems Engineer (or Linux System Administrator) is responsible to serve as the primary resource for the management and administration of all Linux assets at Holtec, including J2EE-based application servers, Oracle database servers, and high-performance computing clusters. Location: Camden, NJPrimary Responsibilities:Ensure all Linux systems adhere to IT compliance and security controls through proper configuration, patching, and maintenance, with strong adherence to Linux security best practices.Maintain system performance and ensure high availability.Develop, implement, and execute disaster recovery plans and procedures.Perform regular system monitoring and verify the integrity and availability of hardware, server resources, systems, and key processes.Install and configure physical and virtual servers to support AI workloads.Administer and manage J2EE-based applications on Linux platforms.Administer and manage high-performance clusters running Linux operating systems.Support COTS and internally developed applications.Monitor Oracle database availability, including RMAN backups and data recovery procedures.Implement high-availability strategies for Linux servers and virtualization platforms.Collaborate with IT staff to ensure proper network segmentation and security controls, including iSCSI SAN connectivity.Maintain strong knowledge of storage solutions and subsystems, including multipathing, LVM, XFS, and udev rules.Develop and maintain automation scripts using Python or Bash.Leverage configuration management and provisioning tools (e.g., Terraform, Ansible) to automate deployments and maintain system consistency.Requirements:Bachelor's degree of Computer Science, Information Technology, or a related field.Pursuant to NN-801/U-NNPI requirements, applicants must be U.S. citizens.Minimum 8-10 years of experience in Linux system administration, including management of enterprise-level applications and high-performance clusters.Strong experience managing virtualization platforms such as OpenShift and VMware.Knowledge of high-availability and disaster recovery strategies.Experience managing and configuring enterprise application and middleware systems.Strong problem-solving and communication skills.Experience with RHEL 7/8/9 and AI distributions.Experience working with F5 load balancers.Cloud experience (Azure or AWS).U.S. Citizenship required for this position.A Generation Ahead by Design™ Investing in people who power the future. We believe great work deserves great rewards. Our benefits go beyond the basics, reflecting our commitment to supporting your whole self…your health, your future, and your career growth. This includes:Compensation: Annual compensation based on skills and experience ranging from $125,000 - $145,000Benefits: Industry?leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility!FLEX Program – Hybrid work opportunities available for eligible roles, where business needs and role requirements allow401(k) retirement plan with up to a 5% company match and immediate vesting to support long?term financial securityPaid time off and 11 paid holidays to support rest, balance, and rechargeWellness program offering rewards for participation in company?supported health initiativesCommuter benefits supporting mass transit and commuter parking optionsCompany?paid life and AD&D insurance for added peace of mindEducation assistance to support continued education and professional growthEmployee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and insurance programsBenefits eligibility and offerings may vary based on role, location, and employment status