Basic QualificationsRequires a Bachelor's degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.
CLEARANCE REQUIREMENTS:: [Department of Defense Secret security clearance is preferred at time of hire.] Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.
Responsibilities for this PositionThe Linux Administrator provides infrastructure support for ServiceNow MID servers, application nodes, RDS instances, and supporting systems within a self-hosted network enclave. This role combines Linux system administration with cloud infrastructure expertise to ensure reliable platform operations, particularly for Discovery, and any future integrations.
Key Responsibilities:- Install, configure, and maintain ServiceNow MID servers on Linux platforms for future Discovery and integration operations
- Manage Linux server infrastructure including Red Hat Enterprise Linux (RHEL), CentOS, or Ubuntu systems supporting ServiceNow
- Configure and maintain AWS infrastructure components including EC2 instances, RDS databases, VPCs, security groups, and networking for cloud-based ServiceNow resources
- Implement system hardening, patching, and security configurations aligned with federal security baselines (STIGs, CIS benchmarks)
- Monitor system performance, capacity, and availability; troubleshoot Linux-level issues affecting ServiceNow operations
- Automate deployment and configuration management using tools such as Ansible, Terraform, or CloudFormation
- Manage backup and disaster recovery procedures for MID servers and supporting infrastructure components
- Coordinate with network and security teams on firewall rules, routing, and connectivity requirements across enclaves
- Maintain system documentation including architecture diagrams, runbooks, and configuration management databases
Required Qualifications:- Red Hat Certified System Administrator (RHCSA) or equivalent Linux certification preferred
- AWS Certified Solutions Architect or SysOps Administrator certification strongly preferred
- 3+ years Linux system administration experience in enterprise environments
- 2+ years hands-on AWS experience including EC2, RDS, VPC, IAM, and CloudWatch
- Experience with infrastructure as code (Terraform, CloudFormation, Ansible)
- Strong scripting skills in Bash, Python, or similar languages
- Understanding of secure cloud architectures and compliance frameworks (FedRAMP, FISMA)
- Active security clearance or ability to re-qualify immediately
Our Commitment to You:- An exciting career path with opportunities for continuous learning and development.
- Research oriented work, alongside award winning teams developing practical solutions for our nation's security
- Flexible schedules with every other Friday off work, if desired (9/80 schedule)
- Competitive benefits, including 401k matching, flex time off, paid parental leave, healthcare benefits, health & wellness programs, employee resource and social groups, and more
- See more at gdmissionsystems.com/careers/why-work-for-benefits
Workplace Options:This position can be a minimum of three days on-site or full time on-site.
While on-site, you will be a part of the SDA team located in Scottsdale, Arizona.
Salary NoteThis estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.
Combined Salary RangeUSD $118,519.00 - USD $131,482.00 /Yr.
Company OverviewGeneral Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans
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