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NT Concepts

Data-driven, mission-critical security solutions

Lead Systems Administrator

System AdministrationConfirmed live in the last 24 hours
Full-time$120.3k - $180.5k

About the Job

Requirements

  • Bachelor’s degree (BA/BS) in a technical discipline and 10 years of relevant IT management experience, with demonstrated expertise in hosting, systems administration, and enterprise application support in a DoD or similar environment.
  • Must be located in or willing to relocate to Washington, DC or Norfolk, Virginia.
  • An active Top Secret clearance or higher is required.
  • Ability to manage a team of network engineers and system administrators and interface with the off-site hosting group.
  • Expert experience administering SAP Business Objects (BOXI 4.3+) and Windows Servers.
  • Experience with Dynatrace or similar application and infrastructure monitoring tools.
  • Knowledge of Splunk administration and log analysis.
  • Experience with DNS management and network troubleshooting.
  • Experience with F5 Big-IP/Big-IQ or similar load balancer technologies.
  • Strong experience with Windows Server.
  • Knowledge and experience with Linux administration.
  • Experience with VMware/ESXi, Nutanix, NetApp, and Tintri virtualization and storage.
  • Experience with Oracle Database patching, configuration, and AuditVault.
  • Experience with Commvault backup and recovery operations.
  • Experience with Cisco networking and switch management.
  • Ability to ensure DoD STIG compliance and remediate ACAS vulnerabilities.
  • Knowledge of Jira and Confluence administration.
  • Knowledge of certificate management using Digicert or an equivalent.
  • Familiarity with DoD cybersecurity frameworks and information assurance processes.
  • Experience with DoD procurement processes, including PR/ITPR submissions.
  • Strong technical writing skills for documentation and reporting.
  • Must have or obtain a CompTIA Security+ or DoD 8140-equivalent certification within six months of hire.
  • Must be able to lift up to 50 pounds at a time.

Responsibilities

  • Manage a team of network engineers and system administrators and interface with the off-site hosting group to maintain, troubleshoot, and manage upgrades to an enterprise application system.
  • Serve as the primary administrator for SAP Business Objects (BOXI) on Windows Server, including installation, configuration, patching, upgrades, troubleshooting, and performance monitoring.
  • Support and maintain Dynatrace for application and infrastructure monitoring; configure dashboards, alerts, and integrations; analyze performance data; and assist with incident root cause analysis.
  • Support DNS changes for application and infrastructure needs and coordinate with network teams to ensure proper DNS resolution and network connectivity.
  • Support Splunk SIEM for log aggregation, monitoring, and security compliance; maintain forwarders, indexes, and dashboards; and assist with log analysis for troubleshooting and audit purposes.
  • Provide backup support for F5 Big-IP/Big-IQ load balancer administration, including configuration changes, SSL certificate management, and troubleshooting application delivery issues.
  • Administer Windows/Linux servers, VMware/ESXi, Nutanix, NetApp, Tintri, and cloud-integrated infrastructure across on-premise and DoD/Navy-approved cloud environments.
  • Remediate ACAS findings, apply STIGs, and maintain cybersecurity compliance with DoD and Navy cybersecurity requirements.
  • Review, test, and apply Oracle quarterly patches in a timely manner and track and remediate vulnerabilities.
  • Oversee management of user accounts in Production, QAE, and Staging; Jira/Confluence access; and reset SFG and privileged accounts.
  • Manage and maintain Commvault/Hyperscale backup infrastructure, conduct quarterly disaster recovery exercises, and manage the off-site tape process.
  • Manage and update the TLS/SSL certificate lifecycle using Digicert and maintain a certificate inventory across all environments.
  • Track, renew, and procure software support and support agreements and hardware replacements, including Oracle, Red Hat, F5, Cisco, Commvault, and VMware.
  • Prepare monthly Hosting Technical Slides, produce metrics reports, and maintain ISCP, SBC, and POA&M documentation on time.
  • Execute scheduled and emergency maintenance windows and manage planned and unplanned outages.
  • Participate and present during CMB and System Manager meetings.
  • Provide occasional onsite presence and travel to the Norfolk, Virginia office as business needs dictate.
  • Work prolonged periods sitting at a desk and using a computer.

Desired Qualifications

  • Experience supporting DoD or Navy IT systems.
  • Familiarity with eMH (enterprise Military Housing) or similar enterprise systems.
  • DoD 8570/8140 compliance, such as Security+, CISSP, or equivalent.
  • Experience with Azure or other DoD-approved cloud environments.
  • Familiarity with Camunda, RSA, Agiloft, or Dynatrace.

About the Company

NT Concepts

Data-driven, mission-critical security solutions

NT Concepts provides data-driven technology solutions for national security, working with government agencies to protect the nation. Its services span data solutions, digital transformation, and mission enterprise initiatives, building customized systems that process, protect, and analyze sensitive information to improve security and operations. The company differentiates itself by focusing on national security and confidential handling of mission-critical data, emphasizing long-term government partnerships over generic tech offerings. Its goal is to help defense and intelligence customers modernize operations, safeguard data, and respond effectively to evolving threats.

Company size
201-500
Company stage
Debt Financing
Total funding
$10M
Headquarters
Vienna, VA
Founded
1998

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