System Administrator

Ready to dive into and learn the latest cyber strategies and techniques? Are you all about tackling the toughest puzzles? Ready to bring your A-game? Well, buckle up and join us at Percival – where we're all about putting people first and having a blast while we're at it. Based in Columbia, Maryland, our squad is on a big mission: developing top-notch talent and technical solutions to safeguard our nation's most critical assets. From digging deep into vulnerabilities and cracking codes to developing cutting-edge software, our team does it all. If you are an amazing System Administrator with a passion for innovation and a knack for thinking outside the box, we want you on our team. Let's tackle those cyber threats together – and have a blast while we're at it!Job Type:Mid - Senior Level, Full-TimeNon-Remote located in Columbia, MDClearance & Citizenship Requirements:Top Secret//SCI with polygraph requiredDue to these clearance requirements, US citizenship is also requiredResponsibilities Include:Designing, configuring, maintaining, patching, expanding, and supporting IT network(s)Supporting Cybersecurity best practices to include STIG, scanning, tracking, and maintenanceRequired Skills & Qualifications:10+ years of experience as a System Administrator, Network Engineer, or similar roleExperience with using Jira and Confluence for organization and documentationProven experience maintaining and optimizing network infrastructure to include:

Configuring and securing routers and switchesDeveloping and implementing backup and recovery proceduresMonitoring network capacity and performanceInstalling, testing, and maintaining hardware and software devicesPatching network vulnerabilities

Windows configuration and maintenance

Active Directory configuration and security to include OU design and GPO developmentWSUS setup, maintenance, and off-line use

O365/Azure configuration and maintenance

Familiar with administering cloud-hosted Teams, Exchange, and SharepointFamiliar with Azure and hybrid-domain administration

Linux configuration and maintenance experience

Off-line mirror setup and maintenance (APT, YUM, PIP, …)

Network configuration and maintenance experience

Cisco routers and switches using Cisco IOSCisco firewalls are a plusNetApp maintenance experienceUbiquti, Juniper, and wireless access point experience is a plus

VMware experience

ESXi, VSphere, and VCenter experienceDesign, maintenance, and security of on-premises virtual infrastructureSetup and maintenance of vVol and or iSCSI experience

Certifications, at least one of the following in order to meet IAT II certification:

CCNA SecurityCCNACySA+GICSPGSECSecurity+CND (Certified Network Defender)or SSCP

BS Degree in a STEM related field desiredDesired Skills & Qualifications:Strong communication skillsWorks well with a teamDocker, Ansible, PXE, and Kubernetes a plusAWS, GCP, Azure, and other Cloud-based Infrastructure experience is a plus

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