Systems Administrator Senior
General Dynamics
- Springfield, VA
- Permanent
- Full-time
- Automate installation of software using tools such as Puppet, Ansible, Bash, and/or Python
- Provide higher tier support and in-depth hardware and OS troubleshooting, configuration, backup, security measures, backup, and disaster recovery services.
- Develop advanced Linux-based solutions in support of enterprise level systems to include local repository management, centralized user management, multifactor authentication, DNS, DHCP, time services, security automation, and enterprise-wide log collection, monitoring, and analysis.
- Develop installation procedures and automation for Red Hat infrastructure and third-party software.
- Develop strategies and automation to maintain the security posture of all Linux resources to a level consistent with a DISA reportable systems.
- Develop methods for deploying development environments that mirror production environments for risk mitigation in test and evaluation of software and hardware solutions.
- Develop and maintain Red Hat Enterprise Linux baseline images for deployment in disconnected secure environments.
- Develop and provide documentation and training to System Administrators of various Linux based technical solutions.
- Determine system specifications, input/output processes, and working parameters for hardware/software compatibility.
- Provide input and participation in briefings, transitioning concepts to execution, course of action (COA) development, and assisting in project technical planning and implementation.
- Develop and maintain standard operation procedures (SOPs) and system documentation.
- Collaborate with managers, network and systems engineers, team members, and customers on solutions and issues.
- Review, analyze, and verify current security configuration and effectiveness in response to DoD requirements and emerging threats.
- Achieve and maintain Security Technical Implementation Guide (STIG) compliance.
- Continuous improvement mindset to ensure quality of delivered services.
- Mentor and coach less experienced team members.
- May be required to perform duties outside of normal day shift hours to include weekends/holidays.
Required Qualifications:
- 5 years as a Systems Administrator/Engineer
- Must possess and maintain a Secret clearance
- Bachelor’s degree may substitute additional years of experience
- DOD Directive 8750 Compliant (i.e. CompTIA Security+)
- Red Hat Certified System Administrator (RHCSA)
- Proficiency with automation/scripting languages Puppet, Ansible, Bash, etc.
- Proficiency working in a team with Git source control manager.
- Experience with Linux System Administration and Linux System Hardening.
- Experience with RHEL 7/8/9 OS platform.
- A demonstrated strong working knowledge of Virtual infrastructure technologies.
- Red Hat Certified Engineer (RHCE)
- Familiarity with CI/CD practices and tools such as Azure DevOps, Azure Pipelines, or GitLab
- Experience delivering solutions in accordance with agile and waterfall methodologies.