Senior Application Administrator
Location: Fort Belvoir, VA
Security Clearance: Active Secret Security Clearance Position Overview
Nationwide IT Services (NIS) is seeking an experienced Senior Application Administrator to support a Department of Defense customer at Fort Belvoir, VA. This individual will serve as the primary technical lead for one or more mission-critical enterprise applications, ensuring their reliability, security, and performance throughout the application lifecycle.
Working closely with system administrators, database administrators, developers, and cybersecurity professionals, the Senior Application Administrator will manage application installations, upgrades, deployments, integrations, and security compliance across development, pre-production, and production environments. This position plays a key role in maintaining secure, highly available applications that directly support the customer's mission. Key Responsibilities
- Serve as the primary technical administrator for assigned enterprise applications.
- Install, configure, maintain, and troubleshoot application software and supporting components.
- Plan and execute software installations, upgrades, patches, and application releases.
- Support application deployments across development, pre-production, and production environments.
- Configure and maintain application interfaces, APIs, and related integrations.
- Identify and coordinate application-specific server, network, and firewall requirements.
- Troubleshoot and resolve application incidents to ensure high system availability.
- Provide technical support for infrastructure and data center migration activities.
- Coordinate application release activities while following established change management processes.
- Implement and maintain Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs).
- Generate required cybersecurity compliance documentation and supporting artifacts.
- Research, analyze, and remediate vulnerabilities identified through cybersecurity scanning and assessments.
- Collaborate with infrastructure, database, networking, and cybersecurity teams to deliver secure, reliable application services.
- Support modernization initiatives and evolving mission requirements.
- Minimum of seven (7) years of experience administering enterprise applications in a Windows and/or Linux environment.
- Bachelor’s degree in computer science, Information Technology, Engineering, or a related field. Four (4) additional years of relevant experience may be substituted for the degree requirement.
- Active Secret Security Clearance .
- Current DoD 8140-approved certification such as Security+, Cloud+, GSEC, GICSP, SSCP , or a higher-level equivalent certification.
- Experience supporting application installations, upgrades, deployments, and lifecycle management.
- Experience implementing STIGs, SRGs, and cybersecurity best practices.
- Strong troubleshooting and analytical skills with the ability to resolve complex application issues.
- Experience supporting Department of Defense or other Federal Government enterprise environments.
- Experience administering mission-critical applications in production environments.
- Knowledge of application release management and configuration management processes.
- Experience supporting application integrations, APIs, middleware, and web services.
- Familiarity with Windows Server, Linux, SQL Server, networking, and enterprise infrastructure.
- Experience supporting cloud or hybrid environments.
- Excellent communication skills and the ability to work effectively within cross-functional technical teams.
Nationwide IT Services is committed to delivering innovative technology solutions that support our nation's critical missions. As part of our team, you'll work alongside experienced IT professionals supporting enterprise systems that directly impact Department of Defense operations. We offer a collaborative work environment, opportunities for professional growth, and the chance to make a meaningful contribution to our customers' success. Salary range: $85,000 to $130,000 annually
The salary range is a general guideline. We consider several factors when determining base salary offers, including the position's scope and responsibilities, the candidate's experience, education, and skills, and current market conditions.
Recommended Jobs
Sr Network Test Engineer (Ashburn, VA)
Candidates MUST HAVE a PUBLIC TRUST OR BE ABLE TO ATTAIN ONE Project Details Our client is looking for a Sr. Network Test Engineer to join its Maintenance Engineering team. This client is addin…
Shift Supervisor
Job Description Job Description Want to make a meaningful difference in peoples’ lives while earning a competitive salary? At Jushi Holdings Inc. ”) (CSE: JUSH) (OTCQX: JUSHF), we are shaping the…
Cloud Virtualization Engineer TS/SCI CI poly
TENICA is looking to hire a cloud virtualization engineer. Candidate must have TS/SCI with CI poly. Job location: Springfield, VA The Cloud Virtualization Engineer is a team member responsible for b…
Chief Systems Engineer
Title: Chief Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the i…
Cook - Full Time -Embassy Suites by Hilton Dulles Airport
Job Description Job Description B. F. Saul Company Hospitality Group is a subsidiary of the largest private real estate company in the Washington, D.C. area, and has been in operation for over 13…
Pharma Sales Account Rep
Pharmaceutical Sales Representative – Primary Care (Entry or Experienced) We are currently searching for dynamic, vivacious and results focused potential sales professionals to work as a Pharmaceu…
LPN - PRN (6:30AM-3PM)
Job Description Job Description Join Our Team at Vitality Living as an LPN at our Acclaim at East Beach Community! At Vitality Living, we are more than just a place of work; we are a vibrant co…
Electrical Project Manager
Job Title: Electrical Project Manager Location: Purcellville, VA Compensation: $115k -$130k / year Benefits: ~ Employee health insurance paid 100% by company ~ Company covers approxima…
Cook
Description Summary: Enjoy advanced scheduling and the flexibility to swap or pick up shifts easily using our app—perfect for achieving better balance while pursuing your passion in the food …