Linux Systems Administrator - AWS Cloud Infrastructure

Linux Systems Administrator - AWS Cloud Infrastructure

Scottsdale, AZ

Pay Estimated: $68.12 - $73.12/Hour

U.S. Citizenship is required by Federal Law

We are seeking a Linux Systems Administrator to support the Proliferated Warfighter Space Architecture (PWSA) Ground Management and Integration (GMI) Program , providing infrastructure support for ServiceNow MID Servers, AWS cloud environments, Linux systems, and enterprise integrations within a secure DoD environment. This role combines expertise in Linux administration, AWS cloud infrastructure, automation, cybersecurity compliance, ServiceNow platform support, and Infrastructure as Code (IaC) to ensure reliable operations across mission-critical ground segment systems supporting national defense and space programs.

Responsibilities:

• Install, configure, and maintain ServiceNow MID Servers supporting Discovery, integrations, and future platform expansion.
• Administer and maintain Linux-based infrastructure including Red Hat Enterprise Linux (RHEL), CentOS, and Ubuntu environments.
• Manage AWS cloud resources including EC2, RDS, VPCs, IAM, Security Groups, CloudWatch, and related networking services.
• Configure and maintain infrastructure supporting ServiceNow application nodes, databases, and associated platform services.
• Implement system hardening, patch management, and security controls in accordance with STIGs, CIS Benchmarks, FedRAMP, FISMA, and DoD cybersecurity requirements.
• Monitor system health, performance, availability, and capacity across Linux and cloud infrastructure environments.
• Troubleshoot Linux operating system, network, cloud infrastructure, and ServiceNow platform issues.
• Develop and maintain Infrastructure as Code (IaC) solutions using Terraform, CloudFormation, Ansible, and related automation tools.
• Create and maintain deployment automation, configuration management processes, and operational scripts using Bash, Python, or similar languages.
• Manage backup, recovery, business continuity, and disaster recovery processes for infrastructure components.
• Coordinate with network, cybersecurity, and engineering teams to implement firewall rules, routing configurations, and enclave connectivity requirements.
• Maintain architecture documentation, system diagrams, runbooks, standard operating procedures, and configuration management records.
• Support Agile development and operations teams within the Ground Management and Integration (GMI) program.
• Contribute to enterprise and ground segment infrastructure supporting SUPERNOVAs, NOVAs, Ground Entry Points (GEPs), and associated ground networks within the PWSA architecture.

Qualifications:

• U.S. Citizenship is required by Federal Law
• Active Department of Defense Secret Security Clearance required at time of hire.
• Bachelor’s degree in Systems Engineering, Computer Science, Information Technology, Cybersecurity, Engineering, Mathematics, or a related STEM discipline.
• 5+ years of job-related experience supporting Linux systems, cloud infrastructure, or enterprise platform administration.
  • Master's degree with 3+ years of relevant experience may be considered.
• 3+ years of Linux system administration experience in enterprise environments.
• 2+ years of hands-on AWS experience supporting EC2, RDS, VPC, IAM, CloudWatch, and cloud networking services.
• Experience administering Red Hat Enterprise Linux (RHEL), CentOS, and/or Ubuntu operating systems.
• Experience supporting ServiceNow infrastructure, MID Servers, integrations, or enterprise service management platforms.
• Experience with Infrastructure as Code (IaC) and automation tools including Terraform, CloudFormation, and Ansible.
• Strong scripting and automation experience using Bash, Python, or similar scripting languages.
• Knowledge of Linux security hardening, vulnerability remediation, system patching, and compliance management.
• Understanding of secure cloud architectures and compliance frameworks including FedRAMP, FISMA, STIGs, and CIS Benchmarks.
• Experience with AWS networking, security groups, routing, VPNs, and cloud security best practices.
• Experience troubleshooting complex infrastructure, networking, and application support issues.
• Familiarity with Agile development and DevOps practices.

Preferred Qualifications:

• Red Hat Certified System Administrator (RHCSA) or equivalent Linux certification.
• AWS Certified Solutions Architect.
• AWS Certified SysOps Administrator.
• Experience supporting classified Department of Defense, Space, Aerospace, Satellite, Ground Segment, or National Security programs.
• Experience supporting ServiceNow Discovery and enterprise integration capabilities.
• Experience with cloud-native monitoring, observability, and performance management tools.
• Knowledge of Ground Segment architectures, space systems infrastructure, or satellite operations environments.

Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer .

• Applicants selected for employment will be required to pass a pre-employment drug screening and background investigation, which may include education, criminal, and work history verifications.
• Accepted applicants will be eligible for benefits, including medical and supplemental insurance, and a 401(k) plan. Appreciation and gratitude for employees are hallmarks of organizations with low turnover.
• Final position level and pay will be based on experience.

Resources

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• For more information about Moseley, visit: About Us

Moseley Technical Services, Inc. (Moseley) was incorporated in 1994 to provide engineering and professional services to the aerospace/defense, manufacturing, government, and commercial industries. Our Mission is to deliver superior service to our customers and employees. We have been successful in our vision by building long-term relationships with customers and employees through integrity, transparency, and appreciation.

We stand by our 30-year-old commitment of “World Class Service. World Class Company.”