Network/Systems Administrator III
General Dynamics Information Technology
Public Trust: None
Requisition Type: Regular
Your Impact
Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.
Job Description
Transform technology into opportunity as a Network/System Administrator III with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.
At GDIT, people are our differentiator. As a Network/Systems Administrator III, you will help ensure today is safe and tomorrow is smarter. The position will provide “day-to-day” support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities. HOW A NETWORK/SYSTEM ADMINISTRATOR III WILL MAKE AN IMPACTAble to perform self-sustaining and work with little to no oversight
Lead IT ops team on day to day management and operations of Networks and implement capabilities vetted through Cybersecurity, ISSE and higher headquarters to maintain JSIG/RMF Authority to Operate and maintain Continuous Monitoring tools and processes
Manage COTS & GOTS products to collect, display and remediate a variety of automated system security and system operations/performance functions and metric
Assist during security assessments of servers/network devices/security appliances
Assist during security assessments with regard to accuracy and efficiency
Assist with Creation of operational Operations and Maintenance (O&M) checklists to maintain the service (daily, weekly, monthly, yearly O&M checklists); build Tactics, Techniques and Processes
(TTPs) and Standard Operating Processes (SOPs) associated with service checklistsManage and operate monitoring tools/capabilities with the enterprise security information and event management (SIEM) and create/tailor complex event alarms/rules and summary reports
Execute cybersecurity operations procedures for day to day network management, operations and maintenance
Monitor/analyze output of cybersecurity related tools for reportable security incidents and residual risk
Assist in analyzing technical risk, upon request, of emerging cybersecurity tools and processes
Work as part of a security incident response team as needed
Assist ISSM/ISSO/ISSE with the Integration/Development new techniques to improve Confidentiality, Integrity, and Availability for networks/systems operating at various classification
levelsAdvanced technical competency in one or more of the following supported platforms: Microsoft Windows Server, Active Directory Red Hat Enterprise Linux servers, MS Hyper-V/VMWare/ESx/Xen Hypervisors, Enterprise networking/firewalls/intrusion detection/prevention systems, forensic analysis/vulnerability assessment, Group Policy management and configuration,
Scripting, BMC Footprints, WSUS, , Lumension, Bitlocker, SQL Server 2012, TomCat, IIS, Windows Server 2012r2/2016, Win 10, Red Hat 6.5, Microsoft OfficeToolkits, SEIMs, Logrhythm, ACAS/Nessus/SCAP, mandatory/role-based access control concepts (e.g. SE Linux extensions to RHEL, PitBull, AppArmor, and Sentris) , video teleconferencing/VOIP,
Oracle/MS SQL database security, and Apache/IIS Web server security
Thorough knowledge of Microsoft Windows desktop and server operating systems, Microsoft Exchange Server, and as needed RHEL operating systems administration and associated hardware
Experience in effective communication and collaborating in a high performance team environment
Working knowledge of CISCO network and switching and virtualization technologies
Working knowledge of Local Area Network (LAN) and Wide Area Network (WAN) technologies and data backup technologies to include communication security (COMSEC) integration.
Working knowledge of Risk Management Framework, and, Common Criteria, and System Security Policy as they relate to A&A
Working knowledge and current relevant experience with PL2, PL3, and PL4 network environments/systems
Working knowledge of WSUS and/or YUM patch deployment methodologies
Must be familiar with DoD policy as it applies to implementing and executing system and network administration
Working knowledge of Risk Management Framework and how to apply it to network/information system environments
Must be able to lift up to 50 lbs
5+ years related experience
2+ years Special Access Program (SAP) experience required
Bachelor’s degree in a related area OR Associate’s degree in a related area + 2 years’ experience OR equivalent experience (Desired)
IAT Level 3 - within 6 months of the date of hire
Security Clearance Level:
TS/SCI
Must be able to obtain - TS/SCI with CI polygraph
401K with company match
Comprehensive health and wellness packages
Internal mobility team dedicated to helping you own your career
Professional growth opportunities including paid education and certifications
Cutting-edge technology you can learn from
Rest and recharge with paid vacation and holidays
#defense
Work Requirements
Years of Experience
5 + years of related experience
* may vary based on technical training, certification(s), or degree
Certification
Security+, CE - Comptia Security+ - Comptia Security+
Travel Required
10-25%
Citizenship
U.S. Citizenship Required
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