Network Engineer, with Polygraph

Clearance Level
Top Secret SCI + Polygraph
Network Engineering
Herndon, Virginia

REQ#: RQ70516

Travel Required: None
Requisition Type: Regular

We are GDIT. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that’s important.

GDIT is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day.
We think. We act. We deliver. There is no challenge we can't turn into opportunity. And our work depends on a Cloud lnfrastructure Administrator joining our team to support government activities in Herndon, VA.

At GDIT people are our differentiator. As a Cloud lnfrastructure Administrator supporting the customer, you will be responsible for building, maintaining, and troubleshooting the customer's rapidly expanding infrastructure. ln this role a typical day will include but not limited to:

  • Collaborating with infrastructure engineers and administrators to maintain and enhance secure systems using cloud computing services and tools
  • Deploying various open source packages and/or application stacks into the customer's production system
  • lntegrating open source frameworks and products into the production environment
  • Working across the different layers of the lT infrastructure (e.g. network, storage, platform, database, and application)
  • Providing Tier-3 SME troubleshooting and performing root cause analysis on production incidents


  • Demonstrated knowledge of AWS to include EC2, EBS, 53, Glacier, DynamoDB, lAM, RDS, ElasticCache, Lambda, ECS, VPC, CloudFormation, CloudWatch, CloudTrail, Direct Connect, SQS, SNS, etc.
  • Demonstrated experience with automated provisioning technologies or methods such as AWS CloudFormation, Chef, or AWS bootstrapping via cloud-init scripts.
  • Demonstrated on-the-job operational and analytical experience, and excellent understanding of the development of baselines for middleware platforms that can support both on premise and cloud-based AWS environments.
  • Demonstrated strong understanding of underlying storage for Linux (LVM), storage network protocols (e.g. NAS, NFS, CIFS, etc.), and clustered or pooled virtualization concepts from leading platforms (e.g. XenServer, HyperV, VMware, etc.).
  • Demonstrated strong understanding of proactive monitoring concepts, including experience configuring and deploying Network and systems monitoring, SNMP (e.g. Ganglia, Nagios, Zenoss).
  • Knowledge with Migration of applications and deployment of physical and virtual servers, deployment, configuration, and maintenance of server environments.
  • Demonstrated experience and understanding of information security practices (e.g. cryptography, privilege separation, RBAC, INFOSEC, Auditing, Patching, Security Benchmark Compliance, OS hardening).
  • Demonstrated experience and in-depth knowledge with the Linux operating systems (e.g. RedHat, CentOS)
  • 11 years of related experience
  • Education: Bachelor's degree in Computer Science, lnformation Systems, Engineering, Business or a related technical discipline or the equivalent combination of education and work experience.
  • Security clearance level: Top Secret/SCl with Polygraph


  • Alignment to a mission-critical role that directly impacts the customer’s ability to effectively execute its mission.
  • Direct engagement with contractor leadership that centers upon career development/mobility, enhanced performance evaluation, and corporate information sharing & networking opportunities.
  • Placement on a dynamic team of talented professionals that organically fosters an environment of innovation, collaboration, and trust.

Analyzes customer requirements and solves unusually complex technical problems and provides solutions which are highly innovative.

Provides expert knowledge for maintenance and upgrade of networks including servers, routers, switches, firewalls, remote access systems, and networks.

Provides expert knowledge for network integrity and connectivity while ensuring compliance with policies and maintains system backup and recovery capability.

Coordinates the acquisition of hardware and software as well as subcontractor services as needed.

Creates plans and configures systems for data communication networks.

Evaluates new communications technologies to enhance capabilities of the network.

Maintains current and advanced knowledge of progressive and advancing technology as assigned.

Designs and builds the hardware and software components for computer or telecommunications networks.

Provides expert guidance and leadership to less-experienced network personnel.

May serve as a task or project leader. (Not a people manager)

May consult with executives and customers to deliver complex network solutions.

Recognized as a subject matter expert in a specific technology.

DESIRED QUALIFICATIONS: BA/BS (or equivalent experience), 15+ years of experience






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.