Senior Systems Administrator

Job summary

The Senior Systems Administrator manages, optimizes, and secures cloud infrastructure across multiple platforms. This role involves deploying, configuring, monitoring, and maintaining cloud-based systems and services, focusing on high availability, security, and performance. The ideal candidate demonstrates advanced technical expertise in cloud technologies, automation, and system administration.

Qualifications

• U.S. Citizenship required
• Ability to obtain and maintain a security clearance
• Bachelor's degree in Computer Science, Information Technology, or related field
• Cloud certification preferred (AWS Solutions Architect, Azure Administrator, or Google Cloud Professional)
• Linux certification preferred (RHCE, LPIC)
• Microsoft certification preferred (MCSA/MCSE)
• 6+ years of system administration experience, including 3 years in cloud environments
• Proficiency with major cloud platforms (e.g., AWS, Azure Government)
• Strong Linux and Windows server administration skills
• Experience with containerization technologies (Docker, Kubernetes)
• Knowledge of networking concepts including VPCs, subnets, load balancers, and DNS
• Scripting experience in Python, PowerShell, Bash, or similar languages
• Strong analytical and troubleshooting abilities
• Excellent communication skills for technical and non-technical audiences
• Ability to work in fast-paced environments and manage multiple priorities
• Strong attention to detail and commitment to operational excellence
• Experience with DevOps practices and CI/CD pipelines
• Knowledge of Snowflake cloud-based data warehousing platform
• Familiarity with logging and monitoring tools (ELK stack, Splunk, Datadog)
• Background in cybersecurity and compliance frameworks (NIST SP 800-171, CMMC 2.0, NIST SP 800-53, RMF)

Responsibilities

• Manage, optimize, and secure cloud infrastructure across multiple platforms
• Deploy, configure, monitor, and maintain cloud-based systems and services
• Ensure high availability, security, and performance of the cloud environment
• Deploy, configure, and maintain cloud infrastructure across Azure Cloud Platforms
• Manage virtual machines, containers, storage systems, and networking components in cloud environments
• Implement and maintain Infrastructure as Code using Terraform, CloudFormation, or ARM templates
• Monitor cloud resource utilization and optimize costs through rightsizing and resource management
• Ensure compliance with cloud security best practices and organizational policies
• Provide backup Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution
• Administer Linux and Windows servers in hybrid environments
• Develop and maintain automation scripts using PowerShell, Python, or Bash
• Implement configuration management using Ansible, Puppet, or Chef
• Manage backup and disaster recovery solutions for cloud-based systems
• Perform system updates, patches, and security hardening procedures
• Implement comprehensive monitoring solutions using CloudWatch, Azure Monitor, or similar tools
• Configure alerting and notification systems for proactive issue identification
• Analyze system performance metrics and implement optimization strategies
• Troubleshoot complex system issues and coordinate resolution efforts
• Maintain system documentation and runbooks for operational procedures
• Implement and maintain cloud security policies and access controls

Skills

Certifications

Degrees

Travel

Security clearance

Relocation