Backend Applications Support Administrator 3/4 - Secret

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. Come join us!

• 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.

Primary Level Salary Range: $103,600.00 - $155,400.00

Secondary Level Salary Range: $129,300.00 - $193,900.00

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate’s experience, education, skills and current market conditions.

Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people’s lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation’s history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they’re making history.

At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and secure technological solutions to enable strategic objectives. We’re looking for innovators who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours by expanding your personal network and developing skills, whether you are new to the field or an industry thought leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career.