Web Engineer/Consultant

Mondo; Springfield (VA); On-site; USD 196,000 - 265,000; Full time

Job summary

Mondo in Springfield, VA is seeking a hands-on Full Stack Web Engineer / Consultant to build and enhance a secure enterprise data platform. The role emphasizes Node.js full-stack development, enterprise databases, frontend work, secure authentication, and containerized deployments in a highly secure client environment.

The ideal candidate will translate business requirements into technical solutions, work directly with client stakeholders, and operate with limited oversight in a secure,

Qualifications

• 4-5+ years of enterprise development experience.
• Full-stack Node.js development.
• Enterprise database experience with SAP HANA or similar, including SQL and stored procedures.
• Front-end development with HTML5/CSS3 and modern frameworks.
• Docker and OpenShift/RHEL deployment experience.
• PKI/certificate-based authentication experience (X.509, mTLS).
• Active TS/SCI clearance with CI Polygraph.
• Strong problem-solving and client-facing skills.
• No bachelor’s degree required.

Responsibilities

• Build and enhance full-stack web applications using Node.js.
• Develop user-facing interfaces with HTML5/CSS3 and modern frontend frameworks.
• Connect UI with enterprise data sources via middleware and services.
• Work with enterprise databases, including SQL, stored procedures, and data models.
• Develop secure authentication and containerized deployments.
• Collaborate with client stakeholders to translate requirements into technical solutions.
• Present technical approaches to both technical and non-technical audiences.
• Contribute to architecture, cloud engineering, and broader platform implementation.

Skills

Full-stack Node.js

Enterprise database (SAP HANA)

HTML5/CSS3/Frontend frameworks

Container deployments (Docker/OpenShif

PKI/x509/mTLS authentication

TS/SCI clearance with CI Polygraph

Client-facing communication

Business requirements translation

Problem solving

Independent work in secure environment

Tools

OpenShift

RHEL

Job description

Job Title:Web Engineer / Consultant
Location-Type:Onsite - Springfield, VA (5 days/week in secure client environment)
Start Date Is:September 28
Duration:Permanent
Compensation Range:$230,000/year + 5-10% variable bonus

Job Description

Seeking a hands-on Full Stack Web Engineer / Consultant to build and enhance the user-facing application layer of a secure enterprise data platform. This role is centered on Node.js full-stack development, enterprise databases, frontend development, secure authentication, and containerized deployments. The ideal candidate is an independent problem-solver who can work directly with client stakeholders, translate business requirements into technical solutions, and execute with limited oversight in a secure environment.

Day-to-Day Responsibilities

• Build and enhance full-stack web applications using Node.js
• Develop and maintain user-facing interfaces using HTML5, CSS3, and modern frontend frameworks
• Build middleware and application functionality connecting the UI with enterprise data sources
• Work with enterprise databases, including SQL, stored procedures, schemas, and data models
• Develop intuitive workflows that make it easier for users to access and interact with complex data
• Support application integrations within a secure enterprise environment
• Implement and troubleshoot PKI and certificate-based authentication, including X.509 and mTLS
• Build, deploy, and support containerized applications using Docker and OpenShift/RHEL
• Work within secure, air-gapped environments where traditional internet-based development resources may not be available
• Test, troubleshoot, and validate application functionality across frontend, backend, database, and deployment layers
• Independently investigate and resolve technical issues with limited oversight
• Work directly with client stakeholders to understand business needs and translate them into technical solutions
• Present technical approaches and completed functionality to both technical and non-technical stakeholders
• Collaborate with architecture, cloud engineering, and client teams on the broader platform implementation

Requirements

• Must-Haves:
  • 4-5+ years of enterprise development experience
  • Full-stack Node.js development experience
  • Enterprise database experience with SAP HANA or a comparable platform, including SQL and stored procedures
  • Front-end development experience with HTML5, CSS3, and a modern framework
  • Docker and OpenShift/RHEL deployment experience
  • PKI/certificate-based authentication experience, including X.509 and mTLS
  • Active TS/SCI clearance with CI Polygraph
  • Creative, independent problem-solving skills
  • Comfortable owning client conversations
  • Ability to translate business requirements into a technical build with limited oversight
  • No bachelor's degree required
• Nice-to-Haves:
  • Direct SAP HANA experience
  • Image processing experience with OpenCV or similar technologies
  • Prior government or defense program experience
  • ETL pipeline experience with NiFi, KNIME, Airflow, or Talend