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GCI Incorporated · 4 hours ago

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

Virginia, United States

Full-time

Onsite

Senior Level

GCI Incorporated embodies excellence, integrity, and professionalism in providing high-value mission solutions. The Expert Systems Engineer will focus on the installation, configuration, operations, and maintenance of Linux-based architecture, ensuring the stability and security of the platform while providing Tier 3 engineering support.

Information Technology & Services

No H1B

Security Clearance Required

U.S. Citizen Only

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

Qualification

LinuxRedhatIA hardeningGitNetwork routingSEC+ certificationCloud engineeringVirtual machine hostingWindows administrationTeam collaboration

Required

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

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

A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance

Preferred

Certified Linux System Administrator

Certifications relating to IT Security (CISSP, GIAC, CEH) is a plus

Cloud certifications are a plus

Knowledgeable/background in working with hardware and varied interfaces (drivers, hardware integration)

Demonstrated experience with virtual machine hosting infrastructures

Demonstrated experience with building, upgrading and maintaining applications and services in a cloud-based account/system

Demonstrated experience with Windows administration and firewalls

Experience with network security appliances is a plus

Experience with system engineering concepts and applications

Experience with digital signal processing and/or satellite communications

Excels in team environment

Experience design, engineering, and deploying Multi-Factor Authentication solution

Company

GCI Incorporated

GCI is an Engineering and IT Services company focusing on Data Analytics, Engineering, Cyber Operations, Targeting and Analysis, Operations Solutions and Training.

Founded in 1989