Job Description:

We are seeking a highly experienced Systems Linux Engineer with expertise in Ubuntu Linux, managing Java applications, and a strong background in networking. The ideal candidate will oversee the design, implementation, and maintenance of on-premises and cloud-based environments while ensuring security, reliability, and scalability. This role includes managing system upgrades, backups, and hardening efforts while supporting Java-based application deployments. The candidate should possess a proactive mindset, excellent problem-solving skills, and the ability to thrive in a collaborative and dynamic environment.

Key Responsibilities

Ubuntu Linux Administration:

• Manage, configure, and optimize Ubuntu Linux servers in on-premise and cloud environments.
• Perform system upgrades, backup management, and disaster recovery planning to ensure operational continuity.
• Implement hardening practices to secure systems against vulnerabilities and threats.
• Monitor, troubleshoot, and resolve Linux system performance and reliability issues.

Java Application Management:

• Deploy, maintain, and optimize Java-based applications, ensuring high performance and availability.
• Handle application upgrades, troubleshooting, and integration with infrastructure systems.
• Collaborate with developers to enhance Java application performance and compatibility.

Cloud & On-Premises Infrastructure:

• Design, implement, and maintain hybrid infrastructure environments using cloud platforms (AWS, Azure, or Google Cloud) and on-premises systems.
• Automate infrastructure provisioning, monitoring, and scaling with tools like Ansible, Terraform, or similar.
• Ensure robust backup strategies and disaster recovery plans across environments.

Networking:

• Configure and maintain network devices (firewalls, switches, routers) and ensure secure, optimized connectivity.
• Troubleshoot complex networking issues, including VPNs, VLANs, DNS, and DHCP configurations.
• Monitor and enhance network security and performance for mission-critical systems.

SCADA System Support (Preferred):

• Manage and support SCADA systems, ensuring their reliability and secure integration into the IT infrastructure.
• Collaborate with operations teams to ensure seamless communication between SCADA systems and other enterprise applications.

Automation & Scripting:

• Develop and maintain scripts in Python and Ansible for automation of system administration tasks.
• Streamline processes for system provisioning, configuration management, and monitoring.

Security & Compliance:

• Implement security best practices, including patch management, system hardening, and intrusion detection.
• Ensure compliance with industry standards and regulatory requirements.
• Monitor and respond proactively to security vulnerabilities and incidents.

Collaboration & Leadership:

• Lead infrastructure projects involving system upgrades, migrations, and cloud integrations.
• Provide mentorship and guidance to junior engineers, fostering a culture of continuous learning.
• Work closely with cross-functional teams, including DevOps, developers, and SCADA specialists.

Required Qualifications:

• B.A or B.S. (or higher level degree) in Computer Science or a similar engineering program with strong academic performance preferred
• 5+ years of experience as a Linux Systems Engineer, with a focus on Ubuntu Linux.
• Proven expertise in managing Java applications in production environments.
• Hands-on experience with both on-premise and cloud-based infrastructure.
• Strong background in networking, including configuring and troubleshooting firewalls, switches, and routers.
• Experience with cloud platforms (AWS, Azure, or Google Cloud) and hybrid infrastructures.
• Proficiency in Python scripting and Ansible automation for configuration management.
• Familiarity with SCADA systems and their integration into IT environments.
• Knowledge of backup strategies, disaster recovery, and system hardening practices.
• Advanced proficiency in Ubuntu Linux administration, troubleshooting and security - hardening of Linux systems.
• Experience with monitoring tools like Zabbix is a major plus.
• Understanding of database systems and query optimization is preferred.
• Proven success on challenging projects where you made key contributions while demonstrating ownership, creativity, and initiative.
• Competence in MS Word, Excel, PowerPoint, and Outlook.