Systems Administrator

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide.

Cole Engineering Services (CESI), a By Light company, is recognized as a premier provider of modeling and simulation (M&S) training solutions to the Federal Government and industry. Since 2004, CESI has been at the forefront of developing, maintaining, and integrating simulation-based training, serious gaming, technical services, training and other support in live, virtual, constructive, and gaming (LVCG) domains. CESI also designs, builds and runs infrastructure, platforms, applications and processes that enable cyber training for the integrated multi-domain force. Our vision is to become a worldwide full spectrum LVCG and cyber training/analysis developer, integrator and services provider.

Primary responsibilities:

Lead the patch application process for evaluation of patches periodically for the following NCRC systems: IDE, EES, ARMS
• Coordinate with the Range Modernization IAVA to support vendor and security patch investigation, download, and analysis to determine applicability to an NCRC system
• Patches will be initially identified by the Range Modernization IAVA
• Once patches are identified as applicable/relevant to an NCRC system, candidate will work with other Range Modernization technical leads to coordinate and schedule ARMS subsystem access to enable patch deployment and testing
• Coordinate with the Range Modernization Release Manager to include patches into upcoming associated baseline releases (e.g., AB release for the EES, IDEB for the IDE, and ARMSB for the ARMS)
• Alert the leads for the following teams of existence of required patches to be applied to the ARMS subsystem(s) those teams have the ownership and responsibility to update:
  Infrastructure: Administration System
  DevSecOps: Platform Services
  Software: Development Testbeds, Integration Development Range, and Integration Cyber Range
  I&T: Preproduction Development Range, Preproduction Cyber Range
• Lead the deployment and install of ARMSB release updates to ARMS Administration System, including the scheduling and coordination with other Range Modernization technical leads
• Lead the identification, tracking, and implementation of any patching-related process or solution improvement ideas for the IDE, EES, and ARMS NCRC systems
• This includes any design, implementation, and testing support activities for those improvement ideas
  Note all improvement ideas will require Range Modernization leadership and Government approval (just as any baseline change effort)

Secondary responsibilities:

• Administer and maintain ARMS Administration services
• Implement and manage ARMS access management and authentication system
  This includes the IAM system (e.g., Active Directory) and associated processes such as user account creation, group policy management, and security settings
• Support technology investigations and modernization initiatives associated with ARMS system infrastructure
• Track issues/resolutions associated with ARMS networking and infrastructure devices (including switches, firewalls, and SDNs)
• Assist Range Modernization technical teams with ARMS hardware installation and configuration activities
• Perform ARMS system monitoring, diagnostics, and support any troubleshooting of its system infrastructure
• Document ARMS installation and configuration procedures and troubleshooting steps
• Perform ARMS system backups

• At least three (3) years of experience in System Administration, to include: Systems Analysis, Systems Architecture, Systems/Equipment Support, Test and Evaluation, and Linux and/or Windows environments
• Top Secret clearance eligibility
• CompTIA Security+ CE (or higher DoD 8570 IAT Level II certification)
• Strong experience with Linux-based operating systems
• Proficiency in Windows and/or Linux system administration
• Knowledge of virtualization technologies (VMWare, Hyper-V, etc.)
• Experience with system patching, vulnerability management, and compliance enforcement
• Experience with Active Directory, Group Policy, and domain administration
• Experience with MFA, PKI, and/or SSO services
• Basic understanding of networking concepts, including TCP/IP, DNS, VLANs, and firewall
• Strong troubleshooting skills and ability to diagnose and resolve system issues independently
• Experience with project logistics and working with controlled engineering baselines
• Demonstrated ability to work within teams
• Strong organizational skills

• Five (5)+ years of experience in System Administration, computer science, computer engineering, or a related discipline
• Familiarity with version control systems such as SVN and Git
• Knowledge of software development processes to include agile software development practices; programming languages; operating systems; networks; enterprise and consumer IT concepts, architectures, and systems (compute, network, storage)
• Proficiency in one or more of the following programming or scripting languages: Python, Java, C/C++, PowerShell, and bash

In accordance with the specifications of a government contract, this position mandates U.S. Citizenship status and must have a secret security clearance with the ability to obtain a TS/SCI security clearance. The precise security clearance requisites will be detailed in the Government's Task Order.

This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee. The above is intended to describe the general contents of and requirements for the performance of this job.

CESI is committed to principles of inclusion and equal employment opportunity. We foster a non-discriminatory, professional work environment for all our teams. We do not discriminate based on race, color, religion, sex, pregnancy, sexual orientation, gender identity, genetic information, national origin, age, marital status, disability, or veteran status.

CESI recognizes that our strength is our people. We support every employee as an individual to build strong teams across the enterprise. Our benefit package includes:

• Medical, Dental & Vision Coverage
• Wellness Program
• 401(k) Matching
• Disability (Short Term & Long Term)
• Employee Assistance Program
• Life Insurance
• Education & Training
• Generous Leave Policy (11 Federal Holidays, PTO, Military Leave, Bereavement and Jury Duty)