Linux Systems Administrator (TS/SCI with Poly Required) with Security Clearance

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Job description

REQ#: RQ186721 Public Trust: None Requisition Type: Regular Your Impact Own your opportunity to serve as a critical component of our nation's safety and security. Make an impact by using your expertise to protect our country from threats. Job Description Systems Administrator Expert Transform technology into opportunity as a Systems Administrator Expert with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. At GDIT, people are our differentiator. As a Systems Administrator Expert you will help ensure today is safe and tomorrow is smarter. The Systems Administrator position will apply expertise in the installation, configuration, operations, and maintenance of both Windows- and Linux-based architectures. The systems administrator will focus on improving the stability and performance of the platform, maintaining and improving the security posture of the domain, continuous monitoring of system health, and troubleshooting issues that arise. This individual is accountable for Windows, Linux, and application systems that support the infrastructure. Responsibilities on these systems include SA engineering, operations and maintenance, and research and development to ensure continual operation. The individual must be proficient in building, documenting, and providing tier 3 engineering support. The position requires deep technical knowledge of systems, networks, and application security as well as a solid understanding of enterprise-level security frameworks, policies, processes, and standards. The candidate must have strong analytical skills for troubleshooting complex issues, attention to detail, and the ability to multitask in a fast-paced environment. Key duties include maintaining operating systems, application support, integration, design, and assistance with additional duties as needed to support the team. HOW A SYSTEMS ADMINISTRATOR EXPERT WILL MAKE AN IMPACT WHAT YOU'LL NEED TO SUCCEED: Provide daily operational support for Linux and Microsoft Windows operating systems and applications
Support virtual and physical infrastructure of servers running CentOS in a dev, test, and production configuration, and support an infrastructure of different applications comprising of end user applications, developer tools and infrastructure support applications.
Develop and maintain environments running in Amazon Web Services (AWS).
Maintain the integrity and security of systems by monitoring security feeds and dashboards in support of Continuous Monitoring activities
Develop and maintain standards and procedures for applications across a complex computing infrastructure
Develop and maintain comprehensive documentation
Monitor application and operating system performance; analyze, document and remediate incidents
Develop and oversee implementation of testing strategies and document the results
Leverage scripting and system automation tools
Maintain current knowledge of relevant technologies
Research and recommend hardware and software, coordinate installation, and provide backup recovery
Interact with users and evaluate vendor products
Review incidents to understand the root causes and ensure implementation of proper fixes
Collaborate with system administrators, engineers, and the client to ensure proper integration of applications
Works with tech team to complete required maintenance and patching, DTOs, File Transfers
Provides security reports (e.g. Log files, Scans, etc.)
Coordinates waivers and approvals • Education: Bachelor's Degree in Computer Science, Information Technology, or other related technical discipline, or the equivalent combination of education, technical certifications, training, and work experience.
• Required Experience: 10+ years of related experience
• Required Technical Skills: Extensive experience with Redhat and/or Centos
Demonstrated experience with VMWare ESXi infrastructure 6.x + vCenter server, host clustering with HA, DRS, replication
Demonstrated experience in server builds using automated mechanism
Demonstrated experience with Ansible and/or Puppet
Demonstrated experience with Ansible playbooks for virtual and physical instance provisioning, configuration management and patching and software development
Demonstrated experience with building, upgrading and maintaining applications and services in an AWS account
Demonstrated experience with code maintenance using Git, Gitlab, and/or Github
Demonstrated experience with Atlassian Jira and Confluence
Demonstrated experience with managing Elasticsearch on CentOS
Demonstrated experience collaborating with other systems administrators, storage administrators, application developers, and network engineers to solve complex problems • Preferred Skills: Certified Linux System Administrator
Knowledge of network engineering fundamentals and network design
Demonstrated experience with Microsoft Window Server versions 2008, 2016
Demonstrated experience with SCCM, WDS, MS SQL server, Powershell, batch scripting
Demonstrated experience working with syslog applications such as Splunk
Demonstrated experience with NetApp NAS systems a plus
Demonstrated experience with Hadoop infrastructure and applications (HDFS, Hue, Impala, Oozie, Solr, Spark, Yarn, Zookeeper) a plus
Demonstrated experience with Cisco Nexus switches and Cisco Firepower Security Appliances a plus
AWS Certification a plus
ITIL Foundations Certification a plus
Certifications relating to IT Security (CISSP, GIAC, Security+) a plus • Security Clearance Level: TS/SCI with Poly
• Location: On Customer Site GDIT IS YOUR PLACE:
• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays Work Requirements Years of Experience 10 + years of related experience may vary based on technical training, certification(s), or degree Certification Travel Required None Citizenship U.S. Citizenship Required Salary and Benefit Information The likely salary range for this position is $153,000 - $207,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range. View information about benefits and our total rewards program. About Our Work We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology. GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

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