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SAP NS2 COMPANY DESCRIPTION
SAP is the global market leader for business software and related services. SAP National Security Services Inc.® (SAP NS2®) is an independent U.S. subsidiary of SAP. At SAP NS2, we leverage best-in-breed technologies engineered by SAP to protect the lives, assets and information of Americans*.* Weoffer SAP solutions with specialized levels of security and support to meet the requirements of U.S. national security and critical infrastructure customers.
This position requires access to customer data; Must be a U.S. citizen. SAP NS2 does not offer Visa sponsorship for this role. All internals must have manager’s approval to transfer.
Position Overview
We are seeking a
Senior Linux & Java Systems Engineer to provide technical leadership and hands-on engineering support for secure, mission-critical enterprise systems operating in classified environments. This role requires deep expertise in Linux system administration, Java-based application support, middleware configuration, security hardening, and database integration.
The ideal candidate will have extensive experience supporting full-system lifecycle operations, including installation, configuration, automation, security compliance, testing, documentation, and cross-team coordination within secure government or defense environments.
This position requires an active TS/SCI + poly clearance. Must be able to work on site at Bolling periodically.
Key Responsibilities
- Serve as technical lead for secure Linux-based enterprise application environments.
- Install, configure, secure, and maintain Red Hat Enterprise Linux (RHEL) systems.
- Engineer and support Java-based applications running on middleware platforms (e.g., JBoss/WildFly).
- Implement and maintain SSL/TLS, X.509 certificates, encryption, and authentication integrations.
- Perform firewall hardening, system auditing, and security compliance support.
- Support database integration and replication environments (e.g., relational databases such as SAP ASE or similar platforms).
- Develop and maintain shell scripts and automation tools for deployment and operations.
- Support AWS-based infrastructure deployments and virtualized environments (VMware).
- Implement and maintain logging frameworks (e.g., Log4j), monitoring, and troubleshooting processes.
- Develop and execute automated testing and regression test suites.
- Maintain version control processes using Git and support agile tracking tools (e.g., Jira).
- Author and maintain installation guides, administrative documentation, and system security documentation.
- Support accreditation and security compliance documentation (e.g., ICD 503 or equivalent frameworks).
- Collaborate with cross-functional engineering and security teams to continuously improve system reliability and security posture.
Required Qualifications
- Active TS/SCI clearance with CI Polygraph (required).
- Bachelor’s degree and 19 years of relevant experience, OR
- Master’s degree and 17 years of relevant experience, OR
- PhD and 15 years of relevant experience.
- Extensive experience administering Red Hat Enterprise Linux (RHEL 7/8+).
- Strong Java development and support experience.
- Experience with application servers such as JBoss or WildFly.
- Experience implementing SSL/TLS, PKI, and certificate-based authentication.
- Experience with database integration and replication technologies.
- Proficiency in shell scripting and Linux service management.
- Experience supporting AWS-based environments.
- Experience with Git and structured software lifecycle processes.
- Strong technical documentation skills.
Preferred Qualifications
- CompTIA Security+ (or equivalent DoD 8570/8140 compliant certification).
- Experience supporting secure or classified environments.
- Experience with automated testing frameworks and build tools (e.g., Maven, ANT).
- Experience with XML technologies (XSD, XSLT), REST APIs, and JSON.
- Experience with
