Cybersecurity Systems Engineer ServiceNowCloud wActive TS

SENTINEL GROUP LLC; Chantilly (VA); On-site; USD 120,000 - 190,000; Full time

Job summary

SENTINEL GROUP LLC in Chantilly, VA is seeking a Cybersecurity Systems Engineer (ServiceNow/Cloud) to provide technical leadership and hands-on engineering support for enterprise ServiceNow, cloud infrastructure, and databases, supporting mission-critical operations.

The role focuses on ServiceNow administration, development, upgrades, integrations, and automation, with additional responsibilities in AWS resources, Linux systems, APIs, identity management, and CI/CD pipelines.

Responsibilities

• Administer, configure, maintain, and optimize the enterprise ServiceNow platform.
• Perform ServiceNow application administration and implement required patches, updates, and critical system changes.
• Plan and execute annual ServiceNow platform upgrades.
• Configure and customize ServiceNow functionality to meet evolving customer and mission requirements.
• Develop custom ServiceNow applications, business logic, workflows, scripts, and integrations using JavaScript.
• Troubleshoot ServiceNow performance, functionality, configuration, and integration issues.
• Identify opportunities to automate manual processes and improve ServiceNow workflows.
• Perform Linux operating system administration, maintenance, configuration, and troubleshooting.
• Support and administer AWS cloud environments and associated services.
• Develop, configure, troubleshoot, and maintain AWS Lambda functions.
• Configure and support Amazon API Gateway and associated integrations.
• Engineer scalable and secure cloud-based solutions supporting enterprise applications.
• Troubleshoot infrastructure, application, connectivity, and cloud-service issues across integrated environments.
• Design, build, maintain, and troubleshoot APIs connecting ServiceNow and other enterprise applications.
• Integrate ServiceNow with third-party tools, internal databases, and cloud resources.
• Support LDAP configuration and administration for secure enterprise authentication and identity management.
• Troubleshoot authentication, authorization, API, and system-to-system integration issues.
• Apply secure engineering practices to protect sensitive data exchanged between interconnected systems.
• Understand, support, and navigate Continuous Integration/Continuous Deployment (CI/CD) pipelines.
• Support automated application build, testing, integration, and deployment processes.
• Coordinate application and configuration releases across development, test, staging, and production environments as applicable.
• Assist with troubleshooting deployment failures and configuration issues.

Job description

Job Description

Job Description

We are seeking an experienced Cybersecurity Systems Engineer (ServiceNow/Cloud) to provide technical leadership and hands‑on engineering support for enterprise ServiceNow, cloud infrastructure, systems integration, and database environments supporting mission‑critical operations. The Cybersecurity Systems Engineer will serve as a primary technical resource for the ServiceNow (SNOW) platform, with responsibility for platform administration, development, upgrades, integrations, and continuous improvement. The position will also support AWS cloud resources, Linux systems, databases, APIs, identity management, and CI/CD pipelines. The ideal candidate combines ServiceNow development and administration, systems engineering, cloud architecture, and automation expertise with the ability to develop secure, scalable solutions in a highly controlled environment. Experience applying emerging Artificial Intelligence (AI) capabilities to application development and workflow automation is highly desired.

Clearance Required: Active TS/SCI with CI Polygraph

Key Responsibilities

• Administer, configure, maintain, and optimize the enterprise ServiceNow platform.
• Perform ServiceNow application administration and implement required patches, updates, and critical system changes.
• Plan and execute annual ServiceNow platform upgrades.
• Configure and customize ServiceNow functionality to meet evolving customer and mission requirements.
• Develop custom ServiceNow applications, business logic, workflows, scripts, and integrations using JavaScript.
• Troubleshoot ServiceNow performance, functionality, configuration, and integration issues.
• Identify opportunities to automate manual processes and improve ServiceNow workflows.

Cloud Infrastructure & Systems Engineering

• Perform Linux operating system administration, maintenance, configuration, and troubleshooting.
• Support and administer AWS cloud environments and associated services.
• Develop, configure, troubleshoot, and maintain AWS Lambda functions.
• Configure and support Amazon API Gateway and associated integrations.
• Engineer scalable and secure cloud-based solutions supporting enterprise applications.
• Troubleshoot infrastructure, application, connectivity, and cloud‑service issues across integrated environments.

Database Administration

• Administer and maintain MariaDB database environments hosted within Amazon RDS.
• Monitor database availability, performance, connectivity, security, and reliability.
• Support database configuration, maintenance, backup, recovery, and troubleshooting activities.
• Ensure application and ServiceNow integrations can securely and reliably access required data.

System Integration & Identity Management

• Design, build, maintain, and troubleshoot APIs connecting ServiceNow and other enterprise applications.
• Integrate ServiceNow with third‑party tools, internal databases, and cloud resources.
• Support LDAP configuration and administration for secure enterprise authentication and identity management.
• Troubleshoot authentication, authorization, API, and system‑to‑system integration issues.
• Apply secure engineering practices to protect sensitive data exchanged between interconnected systems.

CI/CD & Deployment

• Understand, support, and navigate Continuous Integration/Continuous Deployment (CI/CD) pipelines.
• Support automated application build, testing, integration, and deployment processes.
• Coordinate application and configuration releases across development, test, staging, and production environments as applicable.
• Assist with troubleshooting deployment failures and configuration issues.