Linux – Administration

Key Responsibilities:

• Administer, configure, and maintain IBM Sterling File Gateway (SFG) and B2B Integrator (SI) in a Unix/Linux environment.
• Perform installations, upgrades, patching, and performance tuning for IBM SFG/SI and related infrastructure.
• Manage and troubleshoot secure file transfer protocols (SFTP, FTPS, AS2, HTTPS) and encryption mechanisms.
• Ensure system availability, performance, and security compliance for file transfer and Unix environments.
• Develop and maintain shell scripts (Bash, Korn, Python, or Perl) for automation, monitoring, and operational tasks.
• Collaborate with network, security, and application teams to optimize and integrate file transfer workflows.
• Monitor system logs, diagnose issues, and implement proactive troubleshooting strategies.
• Manage user access authentication and role-based controls within SFG and Unix platforms.
• Maintain documentation for configuration procedures and troubleshooting guidelines.
• Participate in disaster recovery planning and implementation for IBM SFG environments.

Required Skills & Experience:

• X+ years of experience as a Unix/Linux Administrator (Red Hat, AIX, Solaris, or equivalent).
• Hands-on expertise in IBM Sterling File Gateway (SFG) and B2B Integrator (SI).
• Proficiency in secure file transfer protocols (SFTP, FTPS, AS2, HTTPS) and encryption standards.
• Expertise in shell scripting (Bash, Korn, Python, or Perl) for automation.
• Experience in troubleshooting, log analysis, and performance optimization in Unix environments.
• Knowledge of networking, firewalls, load balancers, and security principles.
• Experience with system monitoring tools (Nagios, Splunk, or equivalent).
• Familiarity with certificate management, SSH key management, and authentication mechanisms.
• Strong problem-solving and communication skills with a proactive and analytical mindset.

Preferred Qualifications:

• IBM Sterling Certifications (e.g., IBM Certified Administrator – Sterling B2B Integrator/SFG).
• Experience with cloud environments (AWS, Azure, GCP) and hybrid infrastructure.
• Exposure to automation tools (Ansible, Terraform, Puppet, or Chef).
• Experience in high-availability and disaster recovery solutions for IBM SFG.
• Understanding of DevOps practices (CI/CD pipelines, containerization with Docker/Kubernetes).

Technical Skills:

• Operating Systems: RedHat, CentOS, Oracle Linux, SUSE Linux, Ubuntu Linux
• Scripting & Automation: Bash/Shell scripting, Python, Perl
• File Transfer & Security: IBM SFG, B2B Integrator, SFTP, FTPS, AS2, HTTPS, Encryption
• Monitoring & Performance: Nagios, Splunk, System Logs Analysis
• Cloud & DevOps: AWS, Azure, GCP, Ansible, Terraform, Kubernetes, Docker
• Networking & Security: Firewalls, Load Balancers, SSH Key Management, Authentication