> Markdown version of [/jobs/ext/2695258-backend-applications-support-administrator-3-4-secret](https://www.wearedevelopers.com/jobs/ext/2695258-backend-applications-support-administrator-3-4-secret). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Applications Support Administrator 3/4 - Secret - **Company:** Northrop Grumman - **Location:** Redondo Beach, CA, United States (Remote available) - **Experience:** Experienced - **Salary:** $103,600.0 - $155,400.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Server Applications, Applications Architecture, Application Services, Systems Engineering, Confluence, JIRA, Bash Shell, Configuration Management, Cyber Security, Information Systems, Computer Networks, Databases, System Configuration, Linux, Domain Name System (DNS), Microsoft Exchange Server, FlexNet Publisher, Monitoring of Systems, Issue Tracking Systems, Python (Programming Language), PostgreSQL, Log Analysis, Microsoft SQL Server, System Center Configuration Manager, Networking Basics, Oracle (Applications), Performance Tuning, Public Key Infrastructure, Windows PowerShell, Skype for Business, SAP (Applications), Security Information and Event Management, SQL Databases, Systems Integration, Software Vulnerability Management, Workflow Management Systems, Data Logging, Scripting, Enterprise Software Applications, System Availability, Backend, Information Technology, SolarWinds (Software), Atlassian Tools, Nessus, Bitbucket, National Industrial Security Program Operating Manual (NISPOM), Splunk, Network Server, Servicenow, Vulnerability Analysis - **Published:** September 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9137459/backend-applications-support-administrator-34-secret ## About the Role * Master's Degree with 3 years of experience; OR a Bachelor's Degree with 5 years of experience; OR an Associate's Degree with 7 years of experience; OR a High School Diploma (or equivalent) with 9 years of experience is required * Must have a Security+ certification (or greater) in order to be considered * Candidates must have a current US Government Secret level security clearance (at a minimum) in order to be considered and have the ability to obtain and maintain a US Government Top Secret clearance as a condition of continued employment * Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of employment * Hands-on administration experience with backend services for at least two of the following: Microsoft Exchange or other enterprise messaging platforms, Skype for Business / Teams or similar unified communications platforms, Atlassian applications (Jira, Confluence) at the server/service level, SQL-based databases (MS SQL Server, Oracle, Postgres) supporting applications, FLEXlm / FlexNet license managers and/or cyber tools such as Trellix, Nessus, or Splunk. * Experience administering applications on Windows and/or Linux/UNIX servers. * Experience with Active Directory, DNS, certificates (PKI), and basic networking concepts as they relate to application connectivity. * Experience with server/client software installation, configuration, and patching in an enterprise environment., * Master's Degree with 6 years of experience; OR a Bachelor's Degree with 8 years of experience; OR an Associate's Degree with 10 years of experience; OR a High School Diploma (or equivalent) with 12 years of experience is required * Must have a Security+ certification (or greater) in order to be considered * Candidates must have a current US Government Secret level security clearance (at a minimum) in order to be considered and have the ability to obtain and maintain a US Government Top Secret clearance as a condition of continued employment * Candidates must have the ability to obtain, and maintain, access to Special Programs as a condition of employment * Hands-on administration experience with backend services for at least two of the following: Microsoft Exchange or other enterprise messaging platforms, Skype for Business / Teams or similar unified communications platforms, Atlassian applications (Jira, Confluence) at the server/service level, SQL-based databases (MS SQL Server, Oracle, Postgres) supporting applications, FLEXlm / FlexNet license managers and/or cyber tools such as Trellix, Nessus, or Splunk. * Experience administering applications on Windows and/or Linux/UNIX servers. * Experience with Active Directory, DNS, certificates (PKI), and basic networking concepts as they relate to application connectivity. * Experience with server/client software installation, configuration, and patching in an enterprise environment., * Bachelor's degree in Information Technology or related field * Active Top Secret, TS/SCI, SAP/SAR access, or Polygraph * Experience working under NISPOM Chapter 8, RMF, JSIG, or similar information system frameworks, and familiarity with STIGs for application servers. * Scripting/automation experience (PowerShell, Python, Bash, or similar) for backend deployment, maintenance, and monitoring. * Experience with monitoring tools (Splunk, SolarWinds, or similar) for server and application health. * Familiarity with MECM/SCCM or other enterprise software distribution tools. * Demonstrated ability to work in cross-functional, highly secure environments, balancing mission needs with security and compliance requirements. ## Description The Northrop Grumman CIDO Classified Solutions team is seeking a Backend Applications Support Administrator to support information system lifecycle activities. The selected candidate will be required to work on-site, full-time at our Redondo Beach, CA location. Note: Due to the classified nature of the work being performed, this position does not offer any virtual or telecommute working options. Applicants are encouraged to apply, only if they are willing to work on-site. Responsibilities will include but not be limited to the following: * Perform as a backend applications administrator for major enterprise and cyber applications. * Messaging & collaboration: Microsoft Exchange, Skype for Business / Microsoft Teams-based services. * Engineering & workflow tools: Atlassian stack (Jira, Confluence, Bitbucket) and related integrations. * Data & databases: SQL-based applications and databases (e.g., MS SQL Server, Oracle, Postgres). * License management: FLEXlm / FlexNet license servers and license-file management. * Cybersecurity applications: Trellix (endpoint/host security), Nessus (vulnerability scanning), Splunk (logging, SIEM), and related toolsets. * Focus on backend functions. * Server and service configuration (Windows / Linux). * Application service deployment, clustering/high availability, and performance tuning. * Integration with Active Directory, DNS, PKI/certificates, and network components. * Backend role/permission models as required for security and compliance. * Troubleshoot complex issues affecting application services. * Service outages, degraded performance, and connectivity failures. * Integration problems between applications, databases, and cyber tools (Trellix/Nessus/Splunk). * Failures in licensing (FLEXlm/FlexNet), authentication, or messaging services. * Configure, patch, upgrade, and maintain. * Exchange/Skype/Teams servers and supporting components. * Atlassian servers and application-level integrations. * Database instances supporting these applications. * Trellix, Nessus, Splunk and related cyber platforms, including connectors, agents, and data feeds. * Implement and maintain backend security controls. * Coordinate with Cyber and ISSM/ISSO teams to align applications with NISPOM, RMF, JSIG, and internal security requirements. * Support hardening and STIG implementation for application servers. * Ensure vulnerability management workflows (Nessus) and logging/monitoring pipelines (Splunk, Trellix) are functioning and integrated. * Monitor application and cyber-tool health. * Configure dashboards/alerts (e.g., in Splunk or other monitoring tools) for service status, capacity, and errors. * Analyze logs to identify root causes and recurring issues, then drive remediation. * Support configuration management and change control. * Maintain standard builds and baselines for backend services. * Document and execute changes through appropriate change management processes. * Work across disciplines (systems engineering, networking, database administration, cyber security, and application teams) to isolate issues between application and operating system, application and database, cyber tools and monitored endpoints/servers, and license services (FLEXlm/FlexNet) and application usage. * Maintain and develop technical documentation for backend application architecture, configuration, and operating procedures. * Support environments via ticketing systems (ServiceNow, Jira, etc.), including clear status and timely communication to stakeholders. * Raise issues that require senior-level attention or vendor engagement and track them to closure. * Participate in after-hours and weekend support rotations as required to meet mission and customer needs., We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. At Northrop Grumman, we are on the cutting edge of innovation. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program. 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