Linux System Administrator

Summary

The Linux System Administrator is responsible for the daily operation, support, and maintenance of virtualized Linux server environments and associated infrastructure. This role encompasses a broad range of responsibilities including server lifecycle management, system upgrades, infrastructure design, disaster recovery planning and execution, operating system deployment and maintenance, and system hardening to ensure performance, resilience, and security.

Essential Responsibilities

• Manage and administer Linux servers and resources within a VMware virtualized environment.
• Administer Progress OpenEdge and SQL database platforms.
• Support and maintain OpenEdge PAS (Apache Tomcat–based REST) services.
• Manage Linux LDAP integration with Microsoft Active Directory.
• Administer enterprise Managed File Transfer (MFT) solutions.
• Support and maintain legacy AIX systems.
• Administer Linux Application Performance Monitoring (APM) systems, along with infrastructure monitoring and alerting platforms.
• Manage and maintain Apache ActiveMQ message broker environments.
• Perform routine system tuning, patching, and security updates on Linux and AIX platforms.
• Develop and deliver system metrics, utilization, and capacity planning reports to support Linux environments.
• Support system uptime, availability, performance, and disaster recovery initiatives for Linux systems.
• Ensure Linux server environments comply with change management processes and established standards and policies.
• Collaborate with internal and external customers to troubleshoot and resolve incidents and service disruptions.
• Create and maintain accurate system documentation, architecture diagrams, and procedural guides.
• Assist with security architecture, controls, and monitoring initiatives.
• Work closely with cross‑functional project teams including project managers, business analysts, technical leads, and business stakeholders.
• Evaluate emerging technologies and recommend software and hardware upgrades based on compatibility, value, and business needs.
• Participate in an on‑call rotation to provide 24/7 production support for critical systems.

Skills

• Excellent written and verbal communication skills.
• Ability to facilitate and lead complex technical discussions involving both IT and business stakeholders.
• Strong capability to propose and design integration strategies for new and existing systems.
• Self‑motivated and able to work independently with minimal supervision in a collaborative team environment.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Demonstrated ownership and accountability for assigned tasks and responsibilities.
• Ability to effectively collaborate with team members, contractors, customers, and external partners.

Knowledge

• Advanced expertise in Linux system administration, including CUPS printing services.
• Working knowledge of Progress OpenEdge technologies.
• Extensive experience managing and supporting Apache ActiveMQ message broker platforms.
• Broad understanding of enterprise IT systems, infrastructure, and technologies.
• Strong knowledge of industry‑standard hardware, operating systems, monitoring tools, platforms, and utilities, including open‑source technologies.
• Proficiency with Microsoft Office applications such as word processing, spreadsheets, presentations, databases, and project planning tools.
• Thorough understanding of Software Development Life Cycle (SDLC) and PMO methodologies.
• Ability to assess technical challenges and align solutions with both current and future business requirements.
• Knowledge of storage and infrastructure components, including installation, configuration, and maintenance of operating systems, firewalls, routers, switches, and system administration tools.

Qualifications

Required Qualifications

• Associate’s degree in Computer Science, Information Systems, or a related field, or an equivalent combination of education and relevant work experience.
• Seven (7) or more years of experience administering Red Hat Enterprise Linux environments.
• Three (3) or more years of experience with shell scripting (Bash/Korn), message broker technologies (e.g., ActiveMQ), and Linux LDAP integration with Active Directory.

Desired Qualifications

• Bachelor’s degree in Computer Science, Information Systems, or a related discipline.
• Experience using Red Hat Satellite.
• Experience supporting Progress OpenEdge databases, PASOE, and Secure Gateway.
• Experience working in hybrid Windows and Linux enterprise environments.
• Systems security training and/or industry‑recognized certifications.
• Experience working in regulated IT environments (e.g., HIPAA, PCI).

For U.S. Candidates

Compensation Range

The anticipated base salary range for this position is $83,300 to $130,000 annually. This represents the good‑faith estimate of the compensation range at the time of posting.

Actual pay will be based on job‑related factors, which may include:

• Geographic location
• Education and qualifications
• Job‑related skills
• Internal equity considerations
• Applicable minimum wage laws

This position may also be eligible for a bonus and/or commission plan, subject to the terms of the applicable plan.

Benefits

Depending on eligibility and position, employees and/or eligible dependents may participate in Company‑sponsored benefit programs, which may include:

• Medical, dental, and vision insurance
• Life and group life insurance
• Voluntary supplemental life insurance
• Supplemental health benefits (critical illness, hospital, accident)
• Short‑ and long‑term disability
• Paid family leave (where applicable by state law)
• 401(k) plan

Eligible U.S. employees receive the following time‑off benefits (subject to Company policy and applicable state/local laws):

• Paid vacation and/or sick time
• Paid holidays
• Birthday PTO

(Some states require front‑loaded sick leave; others accrue. The Company will comply with all applicable local requirements.)

Accessibility and Accommodations

Upon request and consistent with applicable law, ABB Optical will provide reasonable accommodations to individuals with disabilities during the application and hiring process.

Equal Opportunity Employer

ABB Optical is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, protected veteran status, or disability.

International Candidates

The compensation and benefits information in this posting applies to candidates hired in the United States. Candidates hired outside the United States will receive compensation and benefits aligned with their local market.