Application Administrator (Top Secret cleared)
About The Position
The Application Administrator is responsible for the administration, maintenance, and operational support of enterprise applications in a secure government environment. This role ensures system availability, performance, security, and compliance while providing Tier 3 support for mission‑critical systems. ICF is a global advisory and technology services provider that combines unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future. ICF is committed to building a workplace that allows everyone to thrive and is an equal opportunity employer. Employees are empowered to share their expertise and collaborate to achieve personal and professional goals. ICF is a global consulting and technology services company with approximately 9,000 employees. At ICF, business analysts and policy specialists work together with digital strategists, data scientists and creatives. They combine unmatched industry expertise with cutting-edge engagement capabilities to help organizations solve their most complex challenges. Since 1969, public and private sector clients have worked with ICF to navigate change and shape the future.
Requirements
- 10 or more years of experience in application or system administration.
- Active Top Secret / SCI clearance.
Nice To Haves
- Bachelor's Degree in related field
- Prior experience supporting DCSA or similar national security programs
- Strong hands-on experience with AWS cloud architecture and services
- AWS certifications or equivalent cloud credentials
- Experience supporting applications in classified or SCI environments.
- Familiarity with ITIL-based service management and operational best practices.
- Hands-on experience with Linux and Windows operating systems.
- Experience using application and system monitoring tools.
- Experience supporting secure, highly available environments.
- Strategic architectural thinking combined with hands-on technical depth
- Ability to balance mission requirements, security, and performance
- Leadership presence and comfort owning technical decisions
- Strong communication skills for both technical and non-technical audiences
Responsibilities
- Own and lead the full solution architecture for a new system build across design, development, integration, and deployment
- Define technical architecture, frameworks, and standards aligned with DCSA, DoD, and federal security requirements
- Translate mission and business requirements into scalable, secure technical solutions
- Serve as the technical authority across the program, guiding engineering teams and system integrators
- Design and implement cloud-native architectures using AWS services
- Oversee Java-based application architecture and development patterns
- Ensure system compliance with NIST, RMF, and DoD cybersecurity standards
- Collaborate closely with program managers, cybersecurity, DevOps, and stakeholders across government and contractor teams
- Support system modernization, performance optimization, and long-term sustainment strategies
- Contribute to technical documentation, solution roadmaps, and architecture reviews
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What This Job Offers
Job Type
Full-time
Career Level
Principal
Education Level
No Education Listed
Number of Employees
1-10 employees
