Join a dynamic infrastructure team as a Systems Administrator III supporting enterprise file transfer and server environments in a remote capacity. This role offers the opportunity to work on system integration, secure communications, and operational reliability in a fast-paced setting where strong troubleshooting and attention to detail are highly valued.

Responsibilities

• Install, configure, maintain, and support server operating systems, related utilities, and hardware across the environment.
• Perform system integration testing and help release new technologies into production.
• Investigate and resolve server issues reported by users and internal teams.
• Support secure web access and electronic messaging services.
• Help maintain a secure systems environment through access, encryption, and certificate management practices.
• Research and recommend software and hardware solutions based on business and technical needs.
• Provide hardware specifications aligned to application requirements and anticipated growth.
• Monitor file transfer operations and assist in troubleshooting failed transfers and connectivity issues.
• Contribute to change management, documentation, and operational support processes.

Skills

• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience.
• 5 to 7+ years of experience in IT infrastructure, systems administration, or a similar technical role.
• Hands-on experience supporting managed file transfer solutions.
• Working knowledge of protocols such as SFTP, FTP/FTPS, HTTP, and HTTPS.
• Experience with Linux/Unix and Windows Server administration.
• Strong troubleshooting skills with the ability to diagnose transfer, system, and connectivity issues.
• Knowledge of networking fundamentals, including TCP/IP, DNS, firewalls, and load balancers.
• Familiarity with scripting for automation, such as Bash, PowerShell, Python, or Perl.
• Understanding of security concepts including PGP/GPG, SSH keys, and SSL/TLS certificates.
• Clear communication and documentation skills.

Preferred Skills

• Experience with MFT platforms such as IBM Sterling, Axway, Sterling Secure Proxy, or Sterling Connect:Direct.
• Vendor-specific certifications related to managed file transfer platforms.
• ITIL Foundation or similar service management knowledge.
• Relevant operating system certifications in Linux or Microsoft technologies.
• Experience with scheduling tools such as Control-M, AutoSys, or Cron.
• Exposure to monitoring and alerting tools such as Splunk, Nagios, or SolarWinds.
• Experience supporting on-call or after-hours incident response.
• Ability to collaborate effectively across technical and business teams.

Horizontal is committed to building an inclusive workplace where every individual is respected, supported, and given the opportunity to succeed. We value diversity, equity, and inclusion as essential to our culture and encourage candidates from all backgrounds to apply.