Network/Systems Administrator III

GD Information Technology•Arlington, TX

1d•$102,000 - $138,000•Onsite

About The Position

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 primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts. 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 IMPACT Able 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 checklists Manage 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 levels Advanced 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 Office Toolkits, 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

Requirements

5+ years related experience
2+ years SAP experience required
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
US Citizenship Required
Security Clearance Level: TS/SCI
Must be able to obtain - TS/SCI with CI polygraph

Nice To Haves

Bachelor’s degree in a related area OR Associate’s degree in a related area + 2 years’ experience OR equivalent experience
IAT Level 3 - within 6 months of the date of hire

Responsibilities

Able 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 checklists
Manage 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 levels

Benefits

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
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.
To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.