Senior Applications Administrator

We are seeking an experienced Senior Applications Administrator to help manage and maintain our critical business applications infrastructure. This role is responsible for ensuring the reliability, security, and optimal performance of our enterprise collaboration and development platforms including GitLab, Jira, Confluence, Teamwork Cloud, Syndeia, and related systems.

Key Responsibilities

Application Management & Maintenance

• As part of a team to administer and maintain key Enterprise Applications such as GitLab, Jira, Confluence, Teamwork Cloud, and Syndeia platforms

• Perform regular system updates, patches, and version upgrades across all applications

• Monitor system performance, capacity, and availability to ensure optimal uptime

• Troubleshoot and resolve application issues in a timely manner

Configuration & Optimization

• Configure and customize applications to meet organizational needs

• Manage user accounts, permissions, and access controls

• Optimize system performance and resource utilization

• Develop and maintain integration between various platforms

• Create and maintain system documentation and standard operating procedures

Security & Compliance

• Implement and maintain security best practices across all applications

• Ensure compliance with company policies and industry standards

Support & Collaboration

• Collaborate with development teams and stakeholders on system requirements

• Participate in change management and release planning processes

• Work with vendors and support teams to resolve complex issues

• Document processes, configurations, and troubleshooting procedures

Required Qualifications

Education & Experience

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)

• 7+ years of experience in systems administration or similar role

• 3+ years of hands-on experience with enterprise application management

Technical Skills

• Required:

• Strong experience with GitLab administration (repositories, CI/CD pipelines, runners)

• Proficiency with Atlassian suite (Jira, Confluence) administration

• Linux/Unix & Windows system administration

• Understanding of networking concepts (DNS, load balancing, proxies)

• Database management (PostgreSQL, MySQL, or similar)

• Scripting skills (Bash, Python, or PowerShell)

Strongly Preferred:

• Docker and container orchestration (Kubernetes)

• Configuration management tools (Ansible, Puppet)

• Experience with Teamwork Cloud and Syndeia platforms

• Cloud platforms (AWS, Azure, GCP)

• LDAP/Active Directory integration

• API integration and REST services

Soft Skills

• Ability to manage multiple priorities in a fast-paced environment

• Strong analytical and problem-solving abilities

• Excellent communication skills (written and verbal)

• Ability to work independently and as part of a team

• Strong organizational and time management skills

• Customer service orientation

Why Join Us

At STR, you will lead cutting-edge information technology initiatives that support critical infrastructure, business operations, and national security. This role offers the opportunity to be a high-performing individual working in IT environments that enable mission success for the warfighter and strengthen national resilience.

Pay Information

Full-Time Salary Range: $130,000 to $175,000

The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate's experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at for more info.

STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.

If you need a reasonable accommodation for any portion of the employment process, email us at [email protected] and provide your contact info.

Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.