Concurrent Technologies Corporation

Systems Administrator

Concurrent Technologies Corporation • $80K — $95K *
Camp Lejeune, NC 28547In-Person
Information Technology
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • Bachelor's Degree in Computer Science or IT related field, or 3+ years of experience in Linux/Windows server administration.
  • Experience supporting SCADA, ADMS, or critical-infrastructure applications.
  • Advanced understanding of enterprise Linux distributions (Ubuntu, RHEL, Rocky, CentOS).
  • Experience with SEL platforms, Ignition, Rockwell FactoryTalk/PlantPAx, and Nutanix virtualization.
  • Knowledge of DISA STIG compliance and documentation.
  • Proficiency in automation using Bash, PowerShell, Python, and SQL.
  • Ability to obtain and maintain a Secret security clearance.

Responsibilities

  • Build, harden, configure, and maintain Linux and Windows servers for critical applications.
  • Administer enterprise Linux distributions ensuring secure operation.
  • Provision systems on physical servers and Nutanix virtual machines.
  • Support operational SCADA services and environments.
  • Configure and maintain networking and computing resources.
  • Conduct advanced Linux troubleshooting including log analysis and performance tuning.
  • Automate tasks using scripting and database management.

Benefits

  • Gain experience in critical-infrastructure environments with a focus on SCADA systems.
  • Opportunity to work with advanced automation tools and cutting-edge technologies.
  • Participate in disaster recovery planning and system optimization efforts.
  • Collaborate with multidisciplinary teams, enhancing cross-functional skills.
  • Involvement in high-stakes projects with a focus on safety, reliability, and compliance.
Full Job Description
Systems Administrator

Concurrent Technologies Corporation

Camp Lejeune, NC

Minimum Clearance Required: Secret

Clearance Level Must Be Able to Obtain: Secret

Key Responsibilities:
  • Build, harden, configure, administer, and maintain Linux and Windows servers supporting electrical-distribution, water/wastewater, ADMS, and SCADA applications.
  • Administer enterprise Linux platforms, including Ubuntu, RHEL, Rocky Linux, and CentOS, ensuring secure and reliable operation.
  • Provision Linux and Windows systems on physical servers and Nutanix-hosted virtual machines.
  • Administer SEL computing platforms hosting operational applications and SCADA services.
  • Support Inductive Automation Ignition SCADA environments, including gateways, redundant gateways, databases, historians, alarms, logging, certificates, authentication, and communications.
  • Support Rockwell Automation environments: FactoryTalk Services Platform, FactoryTalk View SE, PlantPAx, FactoryTalk Historian, licensing, domain-integrated services, SQL databases, and redundant architectures.
  • Configure and maintain storage, filesystems, networking, host-based firewalls, service accounts, certificates, NTP, logging, database connections, dependencies, redundancy, and backup services.
  • Conduct advanced Linux troubleshooting, including log analysis, performance tuning, system recovery, and root-cause analysis.
  • Use Bash, PowerShell, Python, and SQL to automate provisioning, monitoring, backups, reporting, patching, configuration validation, and system-administration tasks.
  • Administer relational databases such as SQL Server, PostgreSQL, and MySQL.
  • Apply DISA STIGs to Windows and Linux systems while evaluating operational impact, vendor support, and SCADA uptime requirements.
  • Document STIG findings, exceptions, mitigations, and compensating controls.
  • Coordinate with SCADA engineers, electrical/water specialists, application owners, cybersecurity staff, network engineers, and vendors to determine system requirements.
  • Test patches, upgrades, and security changes in a testbed environment before production deployment.
  • Perform backup testing, restoration validation, disaster recovery checks, and support incident response following failed updates.
  • Maintain build guides, configuration baselines, security checklists, dependency diagrams, inventories, recovery procedures, backup documentation, and change records.
  • Support safe, reliable operations through strong understanding of high availability, redundancy, safety, and continuous-operation needs for SCADA/industrial systems.


Basic Qualifications:
  • Bachelor's Degree in Computer Science or IT related field or at least 3 years of experience administering Linux and Windows servers in FRCS/OT or critical-infrastructure environments.
  • Experience supporting SCADA, ADMS, industrial-control, or critical-infrastructure applications.
  • Advanced enterprise Linux experience (Ubuntu, RHEL, Rocky, CentOS).
  • Experience supporting SEL platforms, Ignition, Rockwell FactoryTalk/PlantPAx, and Nutanix virtualization.
  • Experience applying and documenting DISA STIG compliance.
  • Experience with automation in Bash, PowerShell, Python, and SQL.
  • Ability to obtain and maintain a Secret security clearance.
  • Ability to obtain and maintain a Secret security clearance.
  • Applicable DoD 8140 baseline certification.


Preferred Qualifications:
  • Experience with USMC IT and OT/FRCS Systems and cybersecurity processes
  • CompTIA Linux+
  • Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE)
  • Linux Foundation Certified System Administrator (LFCS)
  • Linux Professional Institute Certification (LPIC)
  • Nutanix Certified Professional - Multicloud Infrastructure
  • Microsoft Windows Server certification
  • Inductive Automation Ignition Core Certification
  • SQL Server or PostgreSQL professional training
  • SEL platform training
  • ICS-CERT cybersecurity training


https://concurrent-technologies-corporation.breezy.hr/

Staffing Requisition:

About Concurrent Technologies Corporation

Concurrent Technologies Corporation (CTC) is an independent, nonprofit, applied scientific research and development professional services organization providing innovative management and technology-based solutions to government and industry. CTC's primary areas of expertise are in advanced materials and manufacturing, advanced sensors and instrumentation, and cyber security and information systems. CTC has been named one of the Best Places to Work in Pennsylvania for 14 consecutive years.
Learn more about Concurrent Technologies Corporation
Size
1,200 employees
Industry
Information Technology
Founded
1986
* Ladders Estimates

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