Senior Systems Engineer (Linux)

InquisIT LLC; Washington (District of Columbia); On-site; USD 120,000 - 190,000; Full time

Job summary

InquisIT is seeking a hands‑on Senior Linux Administrator to join in Washington DC whose role is to support the administration, maintenance, security, and performance of enterprise Linux environments for a federal government customer.

Responsibilities include provisioning, patching, upgrading, troubleshooting, and optimizing Red Hat Enterprise Linux (RHEL) systems, along with supporting automation, virtualization, and web/application server technologies.

Qualifications

• Bachelor's degree or equivalent experience
• 8-10 years of related technical experience
• Excellent written and verbal communication skills
• Experience supporting physical and virtual servers, data backup/recovery, and patch management
• Experience with RedHat Linux 8.x/9.x administration and automation
• Experience with Oracle WebLogic 7.x
• Experience supporting IBM middleware stack to include WebSphere Application Server 9.x/Liberty and IBM Security Verify Access 10.x
• Experience integrating middleware components with Active Directory Lightweight Directory Services
• Advanced understanding of Apache Tomcat 9.x, Apache HTTP Server, and ColdFusion
• Experience installing, configuring, and managing Open Text Documentum Document Management Server
• Scripting experience (e.g., Ansible, Python, Shell, Ruby, Perl)
• Experience managing a complex Linux enterprise environment with Red Hat Satellite
• Strong working knowledge using tools such as Zabbix, Grafana, or Nagios to monitor systems, metrics, and create actionable dashboards
• Experience deploying and maintaining virtualized environments using VMware

Responsibilities

• Provide operations, maintenance, and engineering support for production, development, and test systems
• Configure, administer, and maintain documentation for Linux operating systems
• Maintain availability and integrity of Linux infrastructure and IT systems
• Maintain connectivity and functionality of systems and applications within the enterprise
• Identify technical requirements and make recommendations for future upgrade, optimization, consolidation, and decommissioning activities
• Troubleshoot, analyze, isolate, and resolve problems reported by IT support staff and end-users
• Tests, documents, communicates, and releases changes to the enterprise
• Monitor, evaluate, and report system performance and security posture
• Designing and implementing highly available systems and services
• Implement and maintain strict security baselines on all systems (DISA STIG, CIS Benchmark, NIST800.53)

Skills

RHEL administration

WebLogic

WebSphere

Active Directory / AD services

Tomcat / Apache

Documentum

Scripting (Ansible, Python, Shell, etc

VMware virtualization

Monitoring tools (Zabbix Grafana Nag

Red Hat Satellite

Communication skills

Education

Bachelor's degree or equivalent experience

Tools

VMware

Red Hat Satellite

WebLogic Server

WebSphere

Active Directory Services

Tomcat

Open Text Documentum

Ansible

Python

Job description

InquisIT is a high-energy, forward-thinking, advanced technology company that provides the Federal Government and select private-sector organizations with an impressive array of services and solutions. Company expertise includes Systems Engineering, Enterprise Infrastructure, Cyber Security, Management Services, and Software Support.

The company demonstrates a new brand of leadership—one that fosters trust, integrity, excellence, and yields high degrees of success and loyalty among employees and customers. How do we do it? We give customers something different. InquisIT is a company that demonstrates relentless dedication and commitment to its customers and our people; a company that has been brought in on multiple occasions to clean up after large integrators; a company that delivers real results and metrics—versus ideas and concepts; a company that thinks that the old “80% is good enough” should never be tolerated in government; and a company that believes in being a steward of the American taxpayer in everything we do.

Why do we feel this way? We embrace the belief that by providing the best service possible to the government, we ultimately provide the best service to our nation.

POSITION SUMMARY

InquisIT is seeking a hands‑on Senior Linux Administrator to join in in Washington DC whose role is to support the administration, maintenance, security, and performance of enterprise Linux environments for a federal government customer. Responsibilities include provisioning, patching, upgrading, troubleshooting, and optimizing Red Hat Enterprise Linux (RHEL) systems, along with supporting automation, virtualization, and web/application server technologies. The ideal candidate will have strong technical expertise, independently resolve complex issues, and collaborate with technical teams to ensure secure, reliable, and efficient system operations.

This is an on‑site position in Washington DC.

Primary Job Responsibilities

• Provide operations, maintenance, and engineering support for production, development, and test systems
• Configure, administer, and maintain documentation for Linux operating systems
• Maintain availability and integrity of Linux infrastructure and IT systems
• Maintain connectivity and functionality of systems and applications within the enterprise
• Identify technical requirements and make recommendations for future upgrade, optimization, consolidation, and decommissioning activities
• Troubleshoot, analyze, isolate, and resolve problems reported by IT support staff and end-users
• Tests, documents, communicates, and releases changes to the enterprise
• Monitor, evaluate, and report system performance and security posture
• Designing and implementing highly available systems and services
• Implement and maintain strict security baselines on all systems (DISA STIG, CIS Benchmark, NIST800.53)

Experience and Qualifications

• Bachelor's degree or equivalent experience
• 8-10 years of related technical experience
• Excellent written and verbal communication skills
• Experience supporting physical and virtual servers, data backup/recovery, and patch management
• Experience with RedHat Linux 8.x/9.x administration and automation
• Experience with Oracle WebLogic 7.x
• Experience supporting IBM middleware stack to include but not limited to WebSphere Application Server 9.x/Liberty (WebSphere containerization) and IBM Security Verify Access 10.x
• Experience integrating middleware components with Active Directory Lightweight Directory Services
• Advanced understanding of Apache Tomcat 9.x, Apache HTTP Server, and ColdFusion
• Experience installing, configuring, and managing Open Text Documentum Document Management Server
• Scripting experience (e.g., Ansible, Python, Shell, Ruby, Perl)
• Experience managing a complex Linux enterprise environment with Red Hat Satellite
• Strong working knowledge using tools such as Zabbix, Grafana, or Nagios to monitor systems, metrics, and create actionable dashboards
• Experience deploying and maintaining virtualized environments using VMWare

Preferred Skills and Certifications

• Red Hat Certified Architect
• ITILv3 Foundations

InquisIT provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, InquisIT complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

*The above statements are intended to describe the general nature and level of work being performed by the individual(s) assigned to this position. They are not intended to be an exhaustive list of all duties, responsibilities, and skills required. Management reserves the right to modify, add, or remove duties and to assign other duties as necessary.