HPC Software Engineer
Colorado Springs, CO
Active TS/SCI with Polygraph
Salary Range: $140,000 – $230,000

We are seeking a mid-career level HPC Software Engineer that will work in a High Performance Computing (HPC) Research and Development (R&D) customer contract. The candidate will be an active member of the Technical User Support (TUS) team, interacting with the team, TUS team lead, program Chief Scientist, Customers, users, and site staff while on-site with a specific R&D customer.

The TUS team is responsible for working with HPC users to achieve faster “time to science”. You will work closely with the users to port, optimize, and parallelize codes to the users’ requirements.

You will mentor junior members of the TUS and broader HPC teams, providing technical guidance, code‑review sessions, and career‑development advice. You will also design and deliver training workshops, tutorials, and documentation to help end‑users and internal staff adopt HPC tools, best‑practice coding standards, and performance‑tuning techniques.

This position will be on-site with a specific customer focused on their workflow, modeling and simulation, and data requirements and working with the program Chief Scientist, TUS team lead, and others to design and implement solutions to meet the customer’s requirements.

Basic Qualifications:
• Bachelor's degree in STEM related discipline and a minimum of 10 years of professional level experience
• Around 5 years of experience developing and using modeling and simulation software in heterogeneous, multi-platform environments
• Working with HPC users workflow for mod/sim problems and GUIs
• Knowledge of High Performance Computing (HPC) environment and related technologies
• Demonstrated proficiency with Fortran, C, and/or C++
• Demonstrated proficiency with BASH and Korn
• Linux Operating System proficiency, ability to solve end-user computer system problems while working independently in a lab environment.
• Proficiency in basic software practices such as coding standards, unit testing, and configuration management
• Strong ability to analyze, debug, and maintain the integrity of an existing code base
• Experience designing and delivering training workshops, tutorials, or onboarding material for HPC users and internal staff
 
Desired Skills:
• Experience mentoring junior engineers or scientists, providing technical guidance, and conducting code review sessions
• Revision control software (CVS, SVN, Git)
• Build/install tools (e.g. CMake, Makefile, autoconf)
• Experience with Python and Perl
• GPU programming experience (e.g., CUDA, OpenCL)
• Agile process and JIRA
• AI/ML/Neural Networks experience
• Good organization skills to balance and prioritize work
• Superior programming skills and excellent attention to detail
• Strong communication skills a results-oriented team player, creative thinker, and problem-solver

 

Senior System Administrator 

Colorado Springs, CO 

Active TS/SCI  

$135,000 – $160,000 base salary

Company Overview: 

Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense. 

 

Job Responsibilities: 

 

Required Skills: 

 

Desired Skills: 

 

Company Benefits: 

Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources. 

Software and Systems Security Engineer
Colorado Springs, CO
TS/SCI
$150,000 – $180,000 base salary

Job Responsibilities:

Required Skills:

 
Desired Skills:

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *