Senior System Engineer (LINUX)

The Senior Engineer, Linux is responsible for the
administration, security, automation, performance, and operational resilience
of enterprise Linux platforms across on-premises, AWS, and private cloud
environments. The role serves as the subject matter expert for Red Hat
Enterprise Linux (RHEL) and Amazon Linux, ensuring systems remain secure,
available, recoverable, and compliant with organizational and regulatory
requirements.

The incumbent will lead Linux infrastructure
initiatives, drive automation and standardization, support business-critical
applications, and provide technical guidance for Linux-related projects,
operational improvements, and resilience program

 
Key Responsibilities

Linux, AWS & Private Cloud
Engineering

• Administer, maintain, monitor, troubleshoot, and optimize RHEL and
  Amazon Linux servers across physical, VMware, AWS, and private cloud
  environments.
  
• Manage operating system installation, configuration, upgrades,
  patching, repositories, services, filesystems, LVM, storage, and server
  lifecycle management.
  
• Support enterprise Linux services including DNS, NTP, SMTP relay,
  certificates, authentication, SSH, and directory service integrations.
  
• Perform capacity planning, performance tuning, health monitoring,
  and availability management for Linux platforms.
  
• Administer,
  maintain, troubleshoot, upgrade, and migrate application platforms running on
  Linux servers, including Apache Tomcat and other middleware components.
  
• Support
  integration between Grafana and enterprise monitoring platforms such as
  Prometheus, CloudWatch or other observability solutions.
  

• Execute
  Linux patching, vulnerability remediation, OS hardening, access reviews,
  certificate renewals, and configuration changes in accordance with
  change-management procedures.
  
• Apply
  secure Linux configuration standards, investigate operating system and
  authentication logs, and support endpoint, vulnerability, and
  privileged-access controls.
  
• Develop
  and maintain Bash,or AWS Systems Manager automation for provisioning,
  configuration, health checks, patching, reporting, and repetitive
  operational tasks.
  
• Maintain
  accurate asset, configuration, access, patch, and operational records to
  support internal audits and regulatory requirements.
  
• Follow
  applicable IT policies, ITIL practices, BNM RMiT, MoF, and ISO 27001
  controls relevant to assigned systems and activities.
  

• Operate and monitor Linux storage,
  filesystems, mounts, multipathing, EBS volumes, backup agents, and
  recovery processes across SAN/NAS, AWS, and private cloud environments.
  
• Perform scheduled backup verification,
  Linux file and system restoration tests, and disaster recovery exercises;
  document results and address identified gaps.
  
• Support Linux high availability, service
  recovery, and business continuity arrangements for mission-critical
  services, including after-hours activities when required.
  

• Create and maintain RHEL and Amazon Linux
  build standards, SOPs, runbooks, architecture records, configuration
  documents, troubleshooting guides, and operational checklists.
  
• Identify recurring Linux issues and
  opportunities for automation, standardization, performance tuning,
  capacity optimization, and service improvement.
  
• Prepare clear operational reports,
  incident updates, root-cause inputs, and technical recommendations for
  review by the Asst. Manager.
  

Requirements

• Bachelor's Degree or Diploma in Computer Science, Information
  Technology, Engineering, or a related field.
  
• Relevant certifications such as RHCSA/RHCE, AWS Certified SysOps
  Administrator or Solutions Architect, VMware VCP, Microsoft certification, or
  ITIL 4 Foundation are advantageous.
  
• Strong working knowledge of RHEL and Amazon Linux administration,
  with exposure to AWS, private cloud, Windows, virtualization, identity,
  storage, backup, disaster recovery, and cybersecurity practices.
  
• Awareness of BNM RMiT, MoF, ISO 27001, or other governance
  requirements in a regulated environment is advantageous.
  
• Approximately
  3-6 years of hands-on experience in Linux systems administration, systems
  engineering, or infrastructure operations.
  
• Practical
  experience supporting Red Hat Enterprise Linux and Amazon Linux in enterprise
  environments; exposure to other Linux distributions is advantageous.
  
• Experience
  administering Linux in hybrid infrastructure covering data center, VMware, AWS,
  and private cloud environments.
  
• Experience
  with incident, problem, change, patch, backup, monitoring, and technical
  documentation processes.
  

Knowledge, Skills & Competencies

• Strong hands-on RHEL and Amazon Linux administration and
  troubleshooting skills.
  
• Working knowledge of TCP/IP, DNS, NTP, SMTP, certificates,
  storage, backup, clustering, high availability, disaster recovery, and
  infrastructure monitoring.
  
• Practical ability to use Bash, Python, Ansible, AWS Systems
  Manager, or similar automation and configuration-management tools to improve
  operational efficiency.
  
• Good understanding of Linux access control, authentication, OS
  hardening, vulnerability remediation, secure configuration, and operational
  risk.
  
• Clear written and verbal communication skills, including concise
  technical documentation and stakeholder updates.
  
• Ability to prioritize work, collaborate across teams, take
  ownership of assigned tasks, and participate in after-hours support when
  required.