Network/Systems Administrator III

Posted Yesterday
Be an Early Applicant
Arlington, VA, USA
In-Office
104K-141K Annually
Senior level
Aerospace • Information Technology • Professional Services • Security • Software
The Role
Lead day-to-day network and systems operations for classified environments (SCI/SAP). Manage and monitor SIEM, COTS/GOTS tools, vulnerability scanning, patching, and RMF/A&A processes. Support security assessments, incident response, and create O&M checklists, SOPs, and TTPs for Windows, RHEL, virtualization, and enterprise networking.
Summary Generated by Built In

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Computer Backups, Computer Networking, Local Area Network (LAN)

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

Yes

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 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

Other Requirements:
  • 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


WHAT YOU’LL NEED TO SUCCEED:
Required Experience:
  • 5+ years related experience

  • 2+ years Special Access Program (SAP) experience required

Education:
  • Bachelor’s degree in a related area OR Associate’s degree in a related area + 2 years’ experience OR equivalent experience (Desired)

Certifications:
  • 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

GDIT IS YOUR PLACE:
  • 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

The likely salary range for this position is $104,040 - $140,760. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

10-25%

Telecommuting Options:

Onsite

Work Location:

USA VA Arlington

Additional Work Locations:

Total Rewards at GDIT:

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.

 



Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Skills Required

  • 5+ years related experience
  • 2+ years Special Access Program (SAP) experience
  • US citizenship
  • Current Top Secret/SCI clearance (must currently possess) and able to obtain TS/SCI with CI polygraph
  • IAT Level 3 certification within 6 months of hire
  • Experience administering Microsoft Windows Server and Active Directory
  • Experience with Red Hat Enterprise Linux administration
  • Experience with virtualization platforms (MS Hyper-V, VMware ESX, Xen)
  • Experience with SIEM tools and creating event rules/reports (e.g., LogRhythm)
  • Experience with vulnerability scanning and remediation tools (ACAS, Nessus, SCAP)
  • Working knowledge of Cisco networking, LAN/WAN technologies, and COMSEC integration
  • Working knowledge of RMF, Common Criteria, and A&A processes
  • Working knowledge of WSUS and/or YUM patch deployment methodologies
  • Ability to lift up to 50 lbs
  • Bachelor's degree in a related area OR Associate's +2 years experience OR equivalent experience

General Dynamics Information Technology Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about General Dynamics Information Technology and has not been reviewed or approved by General Dynamics Information Technology.

  • Affordable Benefits Pay and benefits are described as good or okay in multiple places, and the overall package is often portrayed as acceptable even when base pay is not viewed as top-tier.
  • Healthcare Strength Medical, dental, and vision plan options are presented as comprehensive, with additional protections like disability and life insurance contributing to a well-rounded health and protection offering.
  • Retirement Support A 401(k) plan with company match is consistently highlighted as part of the total rewards package, supporting longer-term financial planning.

General Dynamics Information Technology Insights

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The Company
HQ: Falls Church, VA
21,625 Employees

What We Do

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.

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