Systems Administrator (TS/SCI with Poly REQUIRED)

The System Administrator will manage and administer Windows and Linux resources and infrastructure on a dedicated network within a production environment. The ideal candidate is a hands-on System Administrator professional with significant experience in developing and deploying repeatable processes, tools, and infrastructure that enable the delivery of capabilities in a production environment. They must have strong, firsthand technical expertise in a variety of configuration automation, deployment, and continuous integration technologies and the proven ability to fashion robust solutions that can keep pace with new development and end users. They must be at ease working in an agile environment with a cross functional team. This person should embody a passion for continuous improvement and innovation.

KEY RESPONSIBILITIES

• Work with a team to administer Windows or Linux-based cloud and on-prem hosts within the customer environment and company lab environment in a repeatable and reliable manner
• Support AWS Architecture and Networking environment
• Harden systems in support of customer security controls, apply updates and patches, and manage the underlying hardware
• Mitigate all vulnerability findings from network scans
• Manage security and policy through the application of Global Policy Objects (GPO)
• Collaborate with a cross-functional team of software engineers, DevOps Engineers, analysts, project managers and other engineering groups to gather requirements and elicit input for the network and infrastructure
• Provide ongoing maintenance, support, and enhancements in production systems and platforms.
• Troubleshoots complex problems and provide customer support for software systems and application issues.
• Provide recommendations for continuous improvement
• Write and update technical documentation such as system documentation, processes and procedures.
• Work alongside other engineers on the team to sustain and advance our organization's capabilitie

EDUCATION AND EXPERIENCE

• Bachelor's degree in Computer Science, Information Technology, or other related technical discipline, or equivalent combination of education, technical certifications, training, and work/military experience.

REQUIRED QUALIFICATIONS

• Experience with a variety of Linux and Windows System Administration support
• Experience with network infrastructure with tasks configuring Virtual Private Clouds (VPCs), subnets, security groups, route tables, etc
• Experience with ensuring the stability, security, and performance of the AWS VPC environment
• Hands-on experience with DNS, DHCP, and Active Directory integration
• Hands-on experience with Backup and Recovery enterprise suites
• Hands on experience with hardening, patching or troubleshooting Linux OS systems
• Hands on experience with Windows Active Directory
• Proficient with logging tools to effectively monitor the health and performance of AWS resources
• TS/SCI with Polygraph clearance REQUIRED

DESIRED QUALIFICATIONS

• Experience with data storage, NAS, and SAN technologies and solutions
• Demonstrated hands-on experience using scripting for task automation, data transfer, etc.
• Experience with Remote Desktop Services
• Demonstrated hands-on experience with technologies like MECM
• Demonstrated hands-on experience with Windows Server Update Services (WSUS)
• Demonstrated hands-on experience working with VMWare and maintaining virtualized systems

GDIT IS YOUR PLACE

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support: An internal mobility team focused on helping you achieve your career goals
• Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

• Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

Work Requirements