Systems Engineer Sr Adv (TS/SCI with Poly Required)

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leveraging the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As an Expert Systems Engineer, a typical day will include the following duties:
Applying expertise in the installation, configuration, operations, and maintenance of Linux-based architecture. The engineer 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 Linux, and application systems that support the infrastructure. Responsibilities on these systems include system administrator 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 technical knowledge of systems, networks, multi-platform environments, and application security as well as a solid understanding of security frameworks, policies, processes, hardware, 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.

KEY RESPONSIBILITIES

• Provide operational support for Linux operating systems and applications.
• Support virtual and physical infrastructure of servers running in a dev, test, and production configuration, and support an infrastructure of different applications comprising of technical applications that drive hardware, system tools, and infrastructure support applications.
• Prepare environments to transition to cloud services.
• Maintain the integrity and security of systems by monitoring security feeds in support of Continuous Monitoring activities.
• Develop and maintain standards and software development support 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.
• Review incidents to understand the root causes and ensure implementation of proper fixes.

EDUCATION AND EXPERIENCE

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 QUALIFICATIONS

• Extensive experience with Redhat and/or other LINUX variations and scale of implementations (CentOS, Red Hat, Rocky, etc. and medium to enterprise deployments.
• Experience with IA hardening Linux for accreditation.
• Demonstrated experience in server builds using automated mechanisms.
• Experience working on a software development team on production releases of code.
• Demonstrated experience with code maintenance using Git, Gitlab, and/or Github.
• Thorough understanding of network routing and iptables
• Demonstrated experience collaborating with other systems administrators, application developers, and network engineers to solve complex problems.
• Able to support long-term development tasks and quarterly O&M update tasks.
• Demonstrated experience working with syslog applications such as Splunk.
• Possess current SEC+ certification
• Experience in Remote access VPN
•  Experience configuring, designing, maintaining, and troubleshooting LAN/WAN devices
• Experience in engineering and deploying cloud-based and on-prem network firewall solutions

DESIRED SKILLS

• Certified Linux System Administrator
• Certifications relating to IT Security (CISSP, GIAC, CEH) is a plus
• Cloud certifications are a plus
• Knowledgeable/background