Senior Linux Systems Administrator - Ts/Sci W/Polygraph

Responsibilities for this Position

Location: USA VA Chantilly - Customer Proprietary (VAC474)

Full Part/Time: Full time

Job Req: RQ163795

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Suitability:

Public Trust/Other Required:

Job Family:

Systems Administration

Job Qualifications:

Skills:

Information Technology (IT), Linux, Operating Systems (OS)

Certifications:

Linux Foundation Certified System Administrator (LFCS) - Linux Foundation

Experience:

5 + years of related experience

US Citizenship Required:

Yes

Job Description:

Transform technology into opportunity as a Systems Administrator Senior 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 Senior you will help ensure today is safe and tomorrow is smarter. Our work depends on Systems Administrator Senior joining our team to 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 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 SENIOR WILL MAKE AN IMPACT

• Manages the functionality and efficiency of a group of computers running on one or more operating systems

• Provide daily operational support for Linux and Microsoft Windows operating systems and applications

• Maintain the current virtual machine infrastructure, provide support to the remote users, and complete tasking to create new VM's

• Maintain the integrity and security of systems by monitoring security feeds and building, configuring SPLUNK 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 and analyze and document problems

• 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 problems to understand the root causes of issues and ensure implementation of proper fixes

• Collaborate with system administrators, engineers, and the client to ensure proper integration of applications

WHAT YOU'LL NEED TO SUCCEED:

• Position requires active Top Secret/SCI with Polygraph

• 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.

• Minimum five (5) years of related experience

• Certified Linux System Administrator

• Extensive experience with Redhat and/or Centos

• Demonstrated experience with VMWare ESXi infrastructure 6.x + vCenter server, host clustering with HA, DRS, replication

• Upgrading VMWare infrastructure

• Demonstrated experience in server builds using automated mechanism

• Demonstrated experience with Ansible playbooks for virtual and physical instance provisioning, configuration management and patching and software development

• Demonstrated experience with Atlassian Jira and SolarWinds

• Demonstrated experience collaborating with other systems administrators, storage administrators, application developers, and network engineers to solve complex problems

• Demonstrated experience with Rapid7 Scanning or other scanning tools

• Demonstrated experience with Microsoft Window Server versions 2008, 2012, 2016, and 2019

• Demonstrated experience with SCCM, WDS, MS SQL server, Exchange, Powershell, batch scripting

• Demonstrated experience with SCOM and MIM

• Demonstrated experience working with syslog applications such as Splunk

• ITIL Foundations Certification a plus

• Certifications relating to IT Security (CISSP, GIAC, Security+) a plus

• The position is 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

#GDITCareers

#WeAreGDIT

#OpportunityOwned

#Jet

#CJPost

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA VA Chantilly

Additional Work Locations:

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.

We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation's most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.

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.