Casey W. Marler
Festus,MO
Summary
Subject Matter Expert (SME) & Senior System Administrator with over 19 years of progressive IT infrastructure experience, currently serving as the sole technical authority for a specialized NGA Target Team. Proven ability to architect, scale, and secure classified TS/SCI network environments with zero reach-back support. Highly proficient in bridging the gap between complex geospatial intelligence workflows and high-performance technical solutions. Recognized for maintaining zero-downtime mission continuity, enforcing strict DoD compliance, and operating as a single point of failure in high-tempo operational environments.
Overview
1
1
Certification
22
22
years of professional experience
Work History
Senior System Administrator
Chenega Agile Real-Time Solutions (CARS)
Saint Louis, MO
08.2024 - Current
- Sole Technical Authority & SME: Serve as the sole Subject Matter Expert (SME) and primary technical authority for a specialized NGA Target Team, architecting and sustaining mission-critical TS/SCI infrastructure with zero reach-back support.
- Infrastructure Engineering & Scaling: Successfully engineered and executed an 81% expansion of the classified network footprint, seamlessly scaling the environment from 11 to 20 high-performance workstations while maintaining continuous operations during high-tempo mission cycles.
- Specialized Geospatial Integration: Lead the deployment, calibration, and optimization of highly specialized NGA hardware and analytical software, including PluraView 3D stereoscopic monitors, enabling precise target validation and maximizing intelligence throughput.
- Mission Continuity (Zero Downtime): Act as the critical single point of failure for the Target Team; proactively diagnose and resolve complex Tier 3 network, software, and hardware bottlenecks to guarantee 100% operational readiness for intelligence analysts.
- Advanced Security & Compliance: Enforce rigorous DoD 8570 (Security+ CE) and DoW security protocols; own the end-to-end vulnerability management, system patching, and continuous STIG compliance across the classified enclave to ensure an audit-ready defensive posture.
- Operational Liaison: Serve as the primary technical advisor between the intelligence analysis team and contract leadership, translating operational mission needs into technical requirements to drive continuous capability improvements.
Desktop Support Technician
Teknoluxion
Saint Louis, MO
10.2018 - 08.2024
- Managed Active Directory by provisioning user accounts, managing permissions, and enforcing strict group policies in alignment with NGA security protocols.
- Coordinated the build and deployment of mission-configured IEC thick clients for Geospatial and Imagery Analyst teams, ensuring operational readiness upon delivery.
- Utilized SCCM, Remote Desktop, and Citrix Director to streamline IT processes, troubleshoot thin/thick clients, and resolve complex issues within the virtual infrastructure.
- Provided critical technical support during large-scale projects, enhancing user productivity through targeted training on new applications and system features.
- Ensured network integrity by administering switches and routers and responding rapidly to security threats to mitigate potential damage to organizational systems.
- Supporting NGA
Enterprise Service Desk Specialist
ManTech
Saint Louis, MO
09.2017 - 10.2018
- Secure Network Support: Delivered critical Tier 1 and Tier 2 technical support across NGA secure and unsecure networks, rapidly resolving user lockouts and profile issues via Active Directory.
- Rapid Issue Resolution: Diagnosed and remediated complex hardware and software incidents involving network printers, scanners, Cisco telephony systems, and specialized government applications to minimize end-user downtime.
- High-Volume Incident Management: Managed high call volumes in a fast-paced enterprise environment, consistently maintaining high metrics for first-call resolution and customer satisfaction within SLA requirements.
- Cross-Functional Collaboration: Coordinated with Tier 2 and Tier 3 engineering teams to escalate and resolve complex infrastructure outages, ensuring continuous mission support for intelligence personnel.
- Supporting NGA
Staff Officer Support / Technical Analyst
TASC
Saint Louis, MO
07.2014 - 09.2017
- Mission-Critical Support: Provided essential administrative and technical operations support directly to a multidisciplinary Geospatial Analyst team, ensuring seamless daily mission workflows.
- Geospatial Tool Integration: Assisted in the preparation and management of analytical databases and workflows utilizing ESRI ArcMap and other specialized geospatial intelligence (GEOINT) software.
- Secure Communications Management: Facilitated high-level collaboration across the Intelligence Community (IC) by managing secure Video Teleconferencing (VTC) schedules, bridging communication lines, and maintaining secure SharePoint portals and shared databases.
- Protocol & Policy Compliance: Applied a deep understanding of IC, Department of Defense (DoD), and federal communication protocols to ensure all administrative and technical processes adhered to strict agency compliance standards.
- Supporting NGA
IT Support & Data Center Technician
UniGroup World Wide / Multitek Solutions
Arnold, MO
03.2008 - 03.2013
- Data Center Deployments: Traveled nationally to install, configure, and commission servers and network databases in high-availability enterprise data centers.
- Infrastructure Optimization: Restructured and rebuilt server cabinets, establishing standardized network cable management protocols to improve airflow, organization, and system reliability.
- On-Site Compliance Auditing: Conducted comprehensive on-site network audits to ensure all hardware installations met strict customer specifications and industry performance standards.
Mobility Troubleshooting Specialist
Convergys
Arnold, MO
03.2012 - 02.2013
- Enterprise Mobility Support: Provided expert-level technical support for enterprise smartphones, resolving complex hardware, software, and secure network connectivity issues.
- Performance Excellence: Managed high-volume support queues, consistently exceeding performance metrics for call quality, customer satisfaction, and first-call resolution.
IT Support Technician
Midcom Technologies / Timeless Tributes
Farmington, MO
05.2011 - 11.2011
- Multi-Platform Administration: Delivered expert remote and on-site desktop support for cross-platform (Windows and macOS) environments, maximizing system uptime for end-users.
- Network Infrastructure Deployment: Executed physical network installations, including structured cabling and hardware mounting, to support local office network expansions.
- Software Lifecycle Management: Managed software licensing, renewals, and system updates across the enterprise to maintain compliance and security.
Technical Support Specialist / IT Lead
U.S. Tool Grinding, Inc.
Desloge, MO
04.2004 - 05.2011
- Sole Infrastructure Administrator: Managed all on-site and remote IT operations, acting as the sole administrator responsible for troubleshooting servers, client machines, and industrial hardware across the enterprise.
- Fiber-Optic & Network Management: Oversaw the installation, configuration, and daily maintenance of the corporate fiber-optic network, ensuring high-speed data transmission and minimal network latency.
- IT Procurement & Budgeting: Directed all IT hardware and software procurement, negotiating with vendors to secure cost-effective technology solutions that aligned with business goals.
- Telephony & Call Center Systems: Supported and maintained business-critical telephony networks, including PBX (Private Branch Exchange) and ACD (Automatic Call Distribution) systems, to ensure uninterrupted customer support operations.
Education
Associate Degree -
ITT Technical Institute
Skills
- SME & Tier 4 Systems Engineering
- Classified Infrastructure Ops
- Specialized IC Hardware/Software
- Cybersecurity & Compliance
- Mission Continuity
Security Clearance
Active TS/SCI
Certification
- CompTIA Security+ CE, 11/03/26
- Adobe Illustrator Certified
Education And Awards
- Associate Degree, ITT Technical Institute
- Certification of Achievement Award, Highest Honors, ITT Technical Institute
- Leidos Group President's Award, 2020
Education And Experience
Associate Degree, 19+ years
Timeline
Senior System Administrator
Chenega Agile Real-Time Solutions (CARS)
08.2024 - Current
Desktop Support Technician
Teknoluxion
10.2018 - 08.2024
Enterprise Service Desk Specialist
ManTech
09.2017 - 10.2018
Staff Officer Support / Technical Analyst
TASC
07.2014 - 09.2017
Mobility Troubleshooting Specialist
Convergys
03.2012 - 02.2013
IT Support Technician
Midcom Technologies / Timeless Tributes
05.2011 - 11.2011
IT Support & Data Center Technician
UniGroup World Wide / Multitek Solutions
03.2008 - 03.2013
Technical Support Specialist / IT Lead
U.S. Tool Grinding, Inc.
04.2004 - 05.2011
Associate Degree -
ITT Technical Institute