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    O U R   C O M P A N Y

Employment Opportunities

Invariant Corporation is a small employee-owned Company with a highly qualified technical staff that takes pride in providing quality services to our customers.  We provide a comprehensive benefits package including 401k, profit sharing, participation in company ownership, and health/dental insurance.  Our philosophy is to provide employees an environment in which they can expand their professional expertise while striving for their personal goals.

We have the following positions available in our Huntsville office:

Are you eager to share your experience and join a strong technical team? If so, we are looking for you!

  • Entry Level Programmer

    Invariant Corporation is seeking an Entry Level Programmer with 0-3 years of experience. Duties include C++ software development, object-oriented design/development, graphical user interface development and hardware interface development. Experience using OpenGL, Qt, and MATLAB are desired. Experience with XML, Python, and SQL databases is a plus. Candidate must have a minimum of a Bachelor’s degree in computer science, computer engineering, electrical engineering, or related field. The ability to obtain and maintain a security clearance is required.

    • Develop graphical user interface (GUI) code using C++ and Qt for use in sensor control and acquisition
    • Support the C++ architecture development for the modular data acquisition and processing capability being developed and maintained for the US Army
    • Develop various hardware interface modules in C++ to communicate via Ethernet, RS-232, and/or USB
    • Support data collection test events in Huntsville and other various locations in the US
    • Perform analysis on recorded data from test events and develop C++ modules to support performance assessment
    • Become familiar with and support source control configuration control, requirements verification, and bug tracking processes
    • Support the development of unit tests and the execution of those tests
  • Hardware Engineer

    Invariant Corporation is seeking a talented and motivated Electrical Engineer with 5-10 years of experience. A BSEE or equivalent experience is required. A Computer Engineering degree with an emphasis on hardware is also applicable

    • Requires a willingness to tackle a variety of electronic design, build, and testing tasks under the guidance of senior engineers in a dynamic environment
    • Requires flexibility and the ability to multi-task to take on parallel project work
    • Must be able to work effectively within project teams
    • Experience with VHDL code development and execution on programmable logic and gate arrays is required
    • Some experience with C/C++ and/or Matlab is a definite plus
    • Digital design knowledge is required and analog design knowledge is a plus
  • Electrical Engineer

    Invariant Corporation is seeking a talented and motivated Electrical Engineer with 1-5 years of experience. Duties include embedded hardware and software development to include microcontroller code development, VHDL coding, and intercommunications between FPGA and processors in a system-on-chip architecture. A Bachelor of Science in Electrical Engineering or equivalent experience is required. A Computer Engineering degree with an emphasis on hardware is also applicable. The ability to obtain and maintain a security clearance is required.

    • Develop VHDL code and execute on various families of FPGA to include system-on-chip configurations
    • Ability and willingness to work on the bench with logic analyzers, oscilloscopes, soldering equipment, etc.
    • Be able to multi-task and take on parallel project work
    • Develop C and C++ code for execution on embedded microcontrollers and ARM processors
    • Develop digital logic circuits and interfaces to analog-to-digital components
    • Perform printed circuit board level design and schematic capture design utilizing tools like Altium or ORCAD
  • Automatic Test Equipment Engineer

    Invariant Corporation is seeking a motivated U.S. citizen who can join our team to operate automatic test equipment (ATE) for semiconductor testing. Primary duties will include:

    • Operating an Advantest 93000 integrated circuit tester, writing test scripts, as well as analyzing and preparing reports of test results
    • Be able to design high-speed load-boards and device-under-test (DUT) boards that preserve signal fidelity during high-frequency measurements
    • A minimum of a Bachelor’s degree in Electrical Engineering is desired
    • Previous experience with the Advantest 93K tester is not required, but a background in operating automatic test equipment is a necessity
    • An active DoD secret (or higher) security clearance is required
  • SW Reverse Engineer

    Invariant Corporation is seeking a motivated U.S. citizen who can join our team to perform software reverse engineering for the purposes of software assurance. Duties include:

    • Reverse-engineering X86-based applications written for the Microsoft Windows OS
    • Experience using tools such as Ida Pro, Ollydbg, Windbg, gdb, or related tools is highly desired
    • Past experience writing X86 assembly code is required
    • Experience writing and analyzing DLLs is highly desired
    • Candidate must have a minimum of a Bachelor’s degree in a related field
    • An active DoD Secret (or higher) security clearance is required
  • Field Service Engineer

    Invariant Corporation is seeking a talented and motivated Field Service Engineer (FSE) with more than 5 years of experience providing system maintenance, installation and operation in a deployed environment. This FSE will be providing system support and maintenance on the Containerized Weapon System (CWS) deployed in multiple OCONUS locations. This position has the following requirements

    • Familiarity with the operations and the design of the CWS and how it is deployed in theater
    • Experience maintaining electrical and mechanical equipment in harsh environments
    • The willingness to deploy and live in OCONUS locations while providing support to the CWS
    • General knowledge of electronics, computers and the operation of computers utilizing the Windows operating system
    • Past military service is a plus but is not required
  • Systems Test Lead

    Invariant Corporation is seeking a Systems Test Lead with 3-5 years of experience. Duties include test planning, test execution, data collection, and post-test analysis. Pre and post test scenarios may be simulated utilizing virtual environments, so experience with C++ software development, object-oriented design/development, and three-dimensional virtual scene generation is desired. Experience and basic understanding of infrared systems and electro-optical systems is desired. Candidate must have a minimum of a Bachelor’s degree in engineering or related field. The ability to obtain and maintain a security clearance is required.

    • Develop test reports and planning based on customer requirements
    • Develop network layout and interconnects for a wide variety of systems and sub-systems and verify information assurance requirements are met
    • Layout test scenarios based on test objectives and customer requirements
    • Participate in the execution of tests to include system setup, connection verification, test execution, and overall verification that test objectives are met
    • Execute pre-test and post-test simulation analysis using virtual environments, and simulated models running in an integrated architecture
    • Develop test reports summarizing test results and system performance
    • Budget and monitor multiple tasks and report progress against specific goals
    • Travel to various test sites to support pre-test planning and test execution
  • Mechanical Engineer

    Invariant Corporation is seeking an Entry Level Mechanical Engineer with 0-3 years of experience. Duties include electronics enclosure design, cable drawing development, computer aided drawing development, mechanical/electrical interfacing, and integration of components for operation in harsh conditions for extended periods of time. Candidate must have a minimum of a Bachelor’s degree in mechanical engineering, or related field. The ability to obtain and maintain a security clearance is required.

    • Maintain technical drawing packages consisting of various mechanical and electrical components
    • Utilize SolidWorks to develop electrical enclosures for housing of various components
    • Operate a three-dimensional printer used for proto-typing of designed components
    • Support testing and field exercises as necessary
    • Develop and maintain cable drawings
    • Generate layout designs for a system containing power generation components, electronic racks, network devices, and power relays


If you are interested in employment opportunities with Invariant, please This email address is being protected from spambots. You need JavaScript enabled to view it. with your resume attached or send by fax to 256.881.1812. Thank you for your interest.

Invariant is An Equal Opportunity Employer.