System Administrator / Cloud Operations Specialist

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The Role

Halo Security is seeking a skilled System Administrator / Cloud Operations Specialist to manage and optimize our infrastructure, ensuring the seamless operation of critical systems. The ideal candidate will have extensive experience with AWS, Linux management, and automation, along with a proven ability to troubleshoot and resolve complex production issues.

Responsibilities

  • Maintain and monitor the production environment, ensuring uptime and reliability.
  • Troubleshoot and resolve technical issues in case of system failures.
  • Scale infrastructure by adding servers and resources as needed.
  • Develop, update, and enhance automation scripts and workflows.
  • Create and maintain comprehensive documentation, including runbooks and SOPs.
  • Debug complex problems in the production environment and deliver technical solutions.
  • Deploy and maintain critical applications and services.
  • Install and manage colocation hardware and ISP cross-connects.

Technical Skills

AWS Cloud Management
  • Compute: EC2, Application Load Balancers (ALB).
  • Storage: S3, Elastic File System (EFS), Backup services.
  • Database: RDS, DynamoDB, ElastiCache.
  • Networking: Virtual Private Cloud (VPC), CloudFront, Route53.
  • Security: IAM, Certificate Manager, Web Application Firewall (WAF).
  • Monitoring and Management: CloudWatch.
Linux Administration
  • CentOS and Amazon Linux.
  • Configuration and management using Ansible.
  • System Patching and maintenance.
  • Scripting: Proficient in Bash and Python for automation tasks.
Colocation Services
  • Installation and maintenance of hardware in colocation facilities.
  • Management of ISP cross-connects.

Requirements

  • Experience: 5+ years in System Administration, Cloud Operations, or DevOps.
  • Skills: Strong problem-solving abilities, technical troubleshooting, and a deep understanding of Linux systems. Proven ability to manage and optimize production environments under pressure.
  • Flexibility: Willing to work rotational shifts, including weekends.

Nice-to-Have’s

  • Located near Phoenix, AZ

We Offer

  • Competitive salary and benefits
  • Fully remote opportunities
  • Optimal work-from-anywhere experience—we’ll send you whatever tools you need to succeed!
  • Flexible PTO—freedom, independence, and flexibility with your time off

About Halo Security

At Halo Security, a TrustedSite brand, our mission is to help organizations protect data from external attackers and earn trust with their customers. Our attack surface management, penetration testing and vulnerability scanning solutions help thousands of organizations secure their most critical assets.

Apply

To apply for this position, please email your resumé to careers@halosecurity.com.