Unix Linux System Administrator

Company Description

SoftAlliance is a world-class system integrator and solutions provider in Africa, based in Ikeja, Nigeria. Committed to creating a diverse workforce, SoftAlliance is an equal-opportunity employer that helps companies meet their needs regardless of their size or business requirements. SoftAlliance is known for its innovative and successful Information Technology solutions.

Role Description

This is a full-time hybrid role for a Unix Linux System Administrator at SoftAlliance in Ikeja, with flexibility for some remote work. The System Administrator will be responsible for troubleshooting, Linux system administration, operating systems management, scripting, and general system administration tasks. The UNIX/Linux System Administrator plays a crucial role in managing and maintaining the stability, security, and performance of the organization's UNIX/Linux-based systems and servers. This role involves implementing, configuring, troubleshooting, and optimizing UNIX/Linux infrastructure to ensure reliability and efficiency. The UNIX/Linux System Administrator role offers an exciting opportunity to manage and optimize UNIX/Linux infrastructure, contribute to system reliability and security, and support the organization's IT operations and initiatives.

Job Responsibility

• Install, configure, and maintain UNIX/Linux operating systems and servers, including hardware and software components.
• Monitor system performance, capacity, and availability, and implement proactive measures to ensure optimal performance and uptime.
• Manage user accounts, permissions, and access controls to safeguard system integrity and data confidentiality.
• Perform system updates, patches, and upgrades to ensure system security and compliance with industry standards and best practices.
• Configure and maintain backup and recovery solutions to protect critical data and ensure business continuity.
• Collaborate with IT teams and stakeholders to design and implement system architecture, solutions, and enhancements based on business requirements.
• Troubleshoot system issues, identify root causes, and implement resolutions in a timely manner to minimize downtime and disruptions.
• Implement and maintain security measures such as firewalls, intrusion detection systems, and access controls to protect against cyber threats.
• Document system configurations, procedures, and troubleshooting steps to maintain accurate and up-to-date system documentation.
• Provide technical support and guidance to end users, IT teams, and management on UNIX/Linux-related issues and initiatives.
• Architect, deploy, and manage large Unix/Linux networked environments including deployment and management of Centrify, NIS(+), LDAP, DNS, and NFS;
• Security testing and risk mitigation; provide explanations of complex technical procedures and processes clearly and accurately to both technical and non-technical audiences
• Implement and maintain appropriate security controls required for regulatory compliance such as PCI-DSS.
• Address moderately complex technical and operational issues, participate in an on-call rotation and work extended hours and weekends as necessary in support of the middleware infrastructure and applications.

Qualifications

• Troubleshooting and System Administration skills
• Linux System Administration expertise
• Proficiency in Operating Systems management
• Scripting capabilities
• Strong problem-solving skills
• Ability to work independently and in a hybrid work environment
• Experience with system security and data backup/recovery
• Bachelor's degree in computer science, information technology, or a related field.
• Proven experience as a UNIX/Linux System Administrator or a similar role, with expertise in managing UNIX/Linux environments, servers, and infrastructure.
• In-depth knowledge of UNIX/Linux operating systems, shell scripting, system administration tools, and network protocols.
• Experience with virtualization technologies (e.g., VMware, KVM) and cloud platforms (e.g., AWS, Azure) is desirable.
• Familiarity with security concepts, practices, and tools related to UNIX/Linux systems, such as SSH, SSL/TLS, IPtables, SELinux, and antivirus solutions.
• Strong analytical, problem-solving, and troubleshooting skills, with the ability to diagnose and resolve complex system issues.
• Excellent communication skills, both verbal and written, with the ability to collaborate effectively with cross-functional teams and stakeholders.
• Certification in UNIX/Linux administration (e.g., Red Hat Certified Engineer, LPIC) is a plus