Junior Software Developer Job at ManTech, McLean, VA

R0hsQVg2NDVlZkYyc1orUHl0QmE1TlU3TVE9PQ==
  • ManTech
  • McLean, VA

Job Description

ManTech seeks a motivated, career and customer-oriented  Junior Software Developer to join our team in  McLean, VA . In this role, you will be an experienced Linux and Ruby on Rails Developer with a strong background in Telephony Engineering to serve on a Dedicated Support Team of Network Telephony Installers supporting the Voice Program Recap Office (VPRO). You will leverage your expertise in Linux systems, Ruby programming, Ruby on Rails, and telephony systems to design, develop, and maintain voice media gateways that integrate with telephony infrastructure.

Responsibilities include, but are not limited to:

  • Design, implement, and maintain web applications using Ruby and Ruby on Rails.

  • Work on integrating telephony systems (e.g., VoIP, analog, ISDN) along with voice media gateways and associated service modules.

  • Manage and configure Linux servers (Ubuntu, CentOS, etc.) for hosting applications, ensuring performance, stability, and security.

  • Develop and Test on Linux based servers. Must be capable of developing and installing PowerBuilder based programs and Korn shell-based servers.

  • Troubleshoot, configure, and optimize telephony software.

  • Work independently developing and testing servers.

  • Monitor server performance, troubleshoot issues, and optimize systems for scalability and reliability.

  • Maintain clear technical documentation for telephony integration and deployment processes.

Minimum Qualifications:

  • BA/BS and 2 years of experience, or a combination of education and work experience equivalent to 6 years.

  • Strong experience with Ruby programming and understanding of the Ruby on Rails framework, or the ability to learn Ruby with strong experience with Python with Django or Flask.

  • Strong verbal and written communication skills to interact effectively with cross-functional teams.

  • Experience editing, updating, and modernizing legacy code.

Preferred Qualifications:

  • Experience integrating telephony systems with web applications (e.g., handling inbound/outbound calls, IVR, call routing).

  • Knowledge of security best practices for telephony, server administration, and web applications.

  • Knowledge and hands on experience with telephony systems and Linux server management, including installation, configuration, troubleshooting, and performance optimization.

  • Qualified in Oracle Database Administrator.

  • Experience provisioning telephony services.

Clearance Requirements:

  • Must have a current/active TS/SCI with Polygraph.

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.

Job Tags

Work experience placement,

Similar Jobs

Enterprise

Summer 2026 Management Intern - DAL Airport Job at Enterprise

 ...be more than just a line on your resume. This position is located at the Dallas Love Field Airport at 7366 Cedar Springs Road Dallas, TX 75235. It pays to be an Intern with Enterprise! Benefits include, but are not limited to: Full-time 40hr per week schedule... 

AA Driver Training Center

Front Desk Receptionist-Chinese Speaking Job at AA Driver Training Center

 ...: Overview We are seeking a dedicated and professional Chinese Speaking Front Desk Receptionist to join our team. This role is crucial in providing excellent customer service and ensuring the smooth operation of our front office. The ideal candidate will be the first... 

One World Global Services

Spanish:US-based Interpreters Job at One World Global Services

 ...WE ARE HIRING EXPERIENCED INTERPRETERS PER MINUTE!!! LANGUAGE: SPANISH Requirements: ~85% English proficiency~ Steady wired internet connection...  ...industry the interpreter works with (healthcare and medical one, specifically). Go into internal professional... 

Fedex

Package Handler - Part Time (Warehouse like) - Urgently Hiring Job at Fedex

 ...Federal Express Corporation (FEC) is part of the rapidly growing warehouse and transportation sector that helps keep America, and our...  ...their first day of employment!~ Generous paid time off program - work your way up to 5 weeks of PTO a year!~ Medical, dental and...