Full-Time

Lead Systems Administrator

NT Concepts

NT Concepts

201-500 employees

Data-driven, mission-critical security solutions

Compensation Overview

$120.3k - $180.5k/yr

No H1B Sponsorship

Vienna, VA, USA

Hybrid

Remote flexible within the DC metro area; occasional on-site in Norfolk, VA; periodic travel.

US Top Secret Clearance Required

Category
IT & Security
Required Skills
Dynatrace
Computer Networking
SAP Products
JIRA
VMWare
Confluence
Nutanix
Splunk
Oracle
Linux/Unix

Get referred to NT Concepts

Find people who can refer or advise you

Requirements
  • Active Top-Secret clearance (or higher) required
  • Location: Washington, DC or Norfolk, VA; willing to relocate
  • Travel: Occasional on-site presence and travel to the Norfolk, VA office as business needs dictate
  • Minimum Experience: Bachelor’s degree (BA/BS) in a technical discipline & 10 years of relevant IT management experience, with demonstrated expertise in hosting, systems administration, and enterprise application support in a DoD or similar environment
  • Expert experience with SAP Business Objects (BOXI 4.3+) administration and Windows Servers
  • Experience with Dynatrace or similar application/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, 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
  • Demonstrated ability to ensure management of DoD STIG compliance and remediate ACAS vulnerabilities
  • Knowledge of Jira and Confluence administration
  • Knowledge of certificate management (Digicert or equivalent)
  • Familiarity with DoD cybersecurity frameworks and IA processes
  • Experience with DoD procurement processes (PR/ITPR submissions)
  • Strong technical writing skills for documentation and reporting
Responsibilities
  • Ability to manage a team of network engineers, system administrators and interface with 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 as required for application and infrastructure needs; 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; 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.
  • Ensure ACAS findings are remediated; STIGs applied; and cybersecurity compliance is maintained in accordance with DoD and Navy cybersecurity requirements.
  • Ensure Oracle quarterly patches are reviewed, tested, and applied in timely fashion; track and remediate vulnerabilities.
  • Oversee the management of user accounts in Production, QAE, and Staging; Jira/Confluence access; reset SFG and privileged accounts.
  • Ensure the management and maintenance of Commvault/Hyperscale backup infrastructure; conduct quarterly DR exercises; manage off-site tape process.
  • Ensure the management and updates of TLS/SSL certificate lifecycle using Digicert; maintain certificate inventory across all environments.
  • Track, renew, and procure software support and support agreements and hardware replacements (Oracle, Red Hat, F5, Cisco, Commvault, VMware, etc.).
  • Ensure reporting is on time: Prepare monthly Hosting Technical Slides; produce metrics reports; maintain ISCP, SBC, and POA&M documentation.
  • Ensure the execution of scheduled and emergency maintenance windows; manage planned and unplanned outages.
  • Participate and present during CMB & System Manager meetings;
Desired Qualifications
  • Experience supporting DoD or Navy IT systems.
  • Familiarity with eMH (enterprise Military Housing) or similar enterprise systems.
  • DoD 8570/8140 compliance (e.g., Security+, CISSP, or equivalent).
  • Experience with Azure or other DoD-approved cloud environments.
  • Familiarity with Camunda, RSA, Agiloft, or Dynatrace.

NT Concepts provides data-driven technology solutions for national security, working with government agencies to protect the nation. It delivers customized, contract-based services that combine data analysis with secure technology implementations, building data platforms and scalable systems for defense and intelligence needs. It focuses on national security and sensitive data with trusted, long-term government partnerships and bespoke solutions rather than generic offerings. Its goal is to help government agencies modernize operations, safeguard data, and respond effectively to evolving threats.

Company Size

201-500

Company Stage

Debt Financing

Total Funding

$10M

Headquarters

Vienna, Virginia

Founded

1998

Get referred to NT Concepts

Find people who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • Dan Maguire's 30-year GovCon experience drives software prototyping expansion.
  • Bhargavi Kodali appointed CIO November 2025 to advance mission-ready tech.
  • USSF Space Systems Command IDIQ enables data software services growth.

What critics are saying

  • Small business status expires 12-24 months, losing 20-40% set-aside contracts.
  • No major wins or revenue growth in 4 years under Maguire erodes edge.
  • Maguire's CEO role at Lockdown Experts divides attention in 6-12 months.

What makes NT Concepts unique

  • NT Concepts delivers AI/ML and advanced analytics for Intelligence and Defense missions.
  • Secured OASIS+ Unrestricted and Small Business contracts for federal scalability.
  • Awarded $151B MDA SHIELD IDIQ for missile defense digital modernization.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Flexible Work Hours

Remote Work Options

Professional Development Budget

Company News

GovCon Wire
Apr 28th, 2022
Next Tier Concepts, Inc. hires Dan Maguire as CEO

Dan Maguire, a GovCon industry veteran, has been appointed CEO of Vienna, Virginia-based information technology services provider NT Concepts.