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-Time
• Non-Remote located in Columbia, MD

Clearance & Citizenship Requirements:

• Top Secret//SCI with polygraph required
• Due to these clearance requirements, US citizenship is also required

Responsibilities Include:

• Designing, configuring, maintaining, patching, expanding, and supporting IT network(s)
• Supporting Cybersecurity best practices to include STIG, scanning, tracking, and maintenance

Required Skills & Qualifications:

• 10+ years of experience as a System Administrator, Network Engineer, or similar role
• Experience with using Jira and Confluence for organization and documentation
• Proven experience maintaining and optimizing network infrastructure to include:
  • Configuring and securing routers and switches
  • Developing and implementing backup and recovery procedures
  • Monitoring network capacity and performance
  • Installing, testing, and maintaining hardware and software devices
  • Patching network vulnerabilities
• Windows configuration and maintenance
  • Active Directory configuration and security to include OU design and GPO development
  • WSUS setup, maintenance, and off-line use
• O365/Azure configuration and maintenance
  • Familiar with administering cloud-hosted Teams, Exchange, and Sharepoint
  • Familiar 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 IOS
  • Cisco firewalls are a plus
  • NetApp maintenance experience
  • Ubiquti, Juniper, and wireless access point experience is a plus
• VMware experience
  • ESXi, VSphere, and VCenter experience
  • Design, maintenance, and security of on-premises virtual infrastructure
  • Setup and maintenance of vVol and or iSCSI experience
• Certifications, at least one of the following in order to meet IAT II certification:
  • CCNA Security
  • CCNA,
  • CySA+
  • GICSP
  • GSEC
  • Security+
  • CND (Certified Network Defender)
  • or SSCP
• BS Degree in a STEM related field desired

Desired Skills & Qualifications:

• Strong communication skills
• Works well with a team
• Docker, Ansible, PXE, and Kubernetes a plus
• AWS, GCP, Azure, and other Cloud-based Infrastructure experience is a plus