Application Support Specialist

Attain Talent, the staffing division of Attain Partners, connects top-tier talent with impactful roles across government and commercial sectors. We are currently leading the search for an Application Support Specialist (O&M) to support one of our government clients in a high-visibility, mission-driven program.

Work Location: Washington, DC

Employment: Full Time

Clearance: Public Trust eligibility (USC or GC work authorization required)

We’re looking for an Application Support Specialist with strong application and system administration skills to enhance existing web applications and systems, address cybersecurity requirements, and ensure ongoing performance and compliance. The ideal candidate will be hands on across the .NET stack, skilled with Microsoft 365 tools, and have working knowledge of AWS containerized environments and CI/CD pipelines. Key responsibilities include supporting baseline current systems and assisting with COTS Access Management systems.

This is a high-ownership role that requiresstrong communication skills and a proactive, client-focused mindset, with the ability to work independently while supporting non-technical users with professionalism and clarity.

Key Responsibilities:

• Serve as the primary on-site technical liaison for client stakeholders, providing independent, proactive support without daily oversight.
• Support client stakeholders by addressing both formal task requests and impromptu technical assistance in real time.
• Assist and manage COTS Access Management systems.
• Provide configuration and technical oversight for Microsoft 365 tools (e.g., SharePoint, Power Apps, Access-based systems).
• Manage version control, configuration changes, and technical documentation.
• Maintain, troubleshoot, and enhance existing C#/.NET web applications.
• Support full stack application functionality including front-end (React.js, HTML/CSS/JavaScript), APIs, and back-end services, including new feature development across the stack when required.
• Perform application security scanning and remediation in compliance with cybersecurity requirements.
• Support deployment in a containerized cloud environment using IaC and CI/CD processes.
• Participate in Agile team ceremonies, code reviews, and requirements discussions.
• Identify risks, gaps, or inefficiencies and escalate appropriately.

Required Qualifications:

• Engineering, math, or science related degree.
• Proven ability to work independently while effectively guiding and supporting non-technical stakeholders with professionalism.
• Strong interpersonal and communication skills, with experience in customer service roles.
• 6+ years of experience in full stack development with a focus on C#, .NET, React.js, JavaScript, HTML and CSS, and customer support.
• Understanding of containerization concepts and basic DevSecOps practices (CI/CD, Git, Kubernetes/AWS).
• Familiarity with Microsoft 365 applications (Access, Excel, SharePoint, Power Platform).
• Experience working with relational databases (PostgreSQL, Oracle, or SQL Server).
• Experience with writing and executing POA&Ms desirable.
• Experienced with Jira and ServiceNow ticketing systems.

Attain Partners is committed to fair and equitable compensation practices. Individual base salary for this position is unique to each candidate and will be commensurate with experience, education, and skills, ranging from $80,000- $110,000. In addition to base salary, this role is eligible for an annual discretionary bonus.

Interested in this position but the compensation isn’t quite right? Let us know your expectations, and we’ll see if we can make it happen based on your qualifications.