GDIT is looking for a Technical Manager to lead enterprise Linux and Windows system administration and IT security operations for its Alabama Supercomputer Program in Huntsville, Alabama. The manager will provide technical direction to a team of systems administrators and security personnel. Responsible for advanced level support of server and storage systems used for network operations center, security operations center, e-mail services, web services, applications and database systems, and internal infrastructure systems supplied across 200 Linux servers and 65 Windows servers. Duties include securing, patching, upgrading, and monitoring onsite and offsite servers for malicious activity, and creating backups for onsite and offsite systems. Responsible for processes, standard operating procedures (SOPs), capacity planning, colocation services including SOC 2 compliance, and overall management for Cyber Security Operations Center, Linux administrators, Windows administrators, and HPC administrators.

Required Qualifications/Experience:

Minimum of 5 years experience with Linux and 5 years experience with Windows systems. Requires a B.S. degree in a technical discipline or equivalent experience.

Leadership of teams of 5 or more people.

Systems architecture solutions from the beginning to end (use-case analysis, design, vendor quoting, proposing, acquisition, implementing, and maintenance)

Desired Qualifications/Experience:

Linux command line interface/CLI

Shell Scripting (Bash, KSH, ZSH, FISH, etc.)

Webserver configuration experience (Apache/NGINX/IIS)

DNS configuration and maintenance (BIND, Primary/Secondary setups, DNSSec configurations, RPZs, Views, ACLs)

Linux networking (tcpdump, ss, ip, nmap, nmcli)
Linux monitoring (nagios, sensu, collectd)

Linux firewall (iptables, firewalld, or nftables)

Linux virtualization (KVM/QEMU, OpenVZ)

Linux database (MySQL, MariaDB, PostgreSQL, Influx)

Linux spam & virus using Mailscanner, Postfix, ClamAV, and Spamassassin

Linux email configuration of Postfix, SPF, DKIM, DMARC

Windows HyperConverged Infrastructure using RDMA, DCB, QoS, Storage Spaces Direct

Microsoft System Center Configuration Manager and Virtual Machine Manager

Microsoft Exchange, Office 365, Active Directory

BackupExec
RAID
Multi-factor authentication
Powershell

Vulnerability scanning (Nessus/Tenable.sc or similar)

Security operations SIEM tools (Juniper JSA, IBM QRadar)

Linux and Windows certifications desirable

COVID-19 Vaccination Requirement: To protect the health and safety of its employees and to comply with customer requirements, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.