Careers at Def-Logix

Why Work at Def-Logix?

Discover how you can be a part of a dynamic team, creating cutting-edge research and development at Def-Logix, Inc.

At Def-Logix, Inc., we offer experience, skillsets, and more for talented candidates pursuing a career in cyber security. We develop innovative software and hardware solutions built to take on today’s biggest security challenges. Our team provides an environment for hands-on learning where you can utilize your skills and gain knowledge about cyber security. We are a team of innovators creating solutions and services to protect our nation’s most vital information infrastructure.

Benefits

Def-Logix is an equal opportunity employer that offers competitive compensation to our employees. We are proud to offer a comprehensive package of valuable employee benefits including:

Group Health Plan
Dental & Vision
Flexible Spending Accounts
Employee Assistance Program
Life, Accident & Disability Insurance Benefits
Adoption Assistance
Simple IRA
Paid Time Off 
Relocation Assistance

Mid/Senior Web Developer
(Must be a U.S. Citizen)

Do you like creating responsive, beautiful web applications?
Do you enjoy learning the latest front-end and back-end frameworks and technologies?

The Job:
Def-Logix, Inc. is looking for a motivated, energetic web application developer to help us create the next generation of enterprise-level security software.

Requirements:
– Extensive experience with JavaScript and Python
– Basic Database skills (MySQL, NoSQL, and/or Postgresql)
– Django experience highly desired
– Familiarity with React/Redux (and/or other big JS front-end frameworks)

We’re hoping you have some experience with code repository management
systems like Git, Bitbucket or Subversion, and experience with CI/CD pipelines is a big plus. We prefer full-stack experience, but if you are an expert in front-end or back-end development only, go ahead and apply!

About Us:
Def-Logix, Inc. is a 10 year old and rapidly growing research and development company offering software solutions and integration to (primarily) the DOD, DHS, and USAF.

Our office is located in the San Antonio Technology Center right beneath the rooftop putting green and just a short walk from the foosball table. The building itself is 15 minutes from the heart of downtown San Antonio where you’ll find the Riverwalk and the Pearl Brewery Complex.

Why Apply?
– Group health plan, dental and vision
– Flexible spending accounts
– Employee assistance
– Life accident and disability insurance
– Adoption assistance
–  Simple IRA
– Education reimbursement
– Paid time off
– Flexible daily hours
– Relaxed requirements for employee attire

Programming
0%
Code Repository Management
0%
Analytical
0%

Apply now





Elasticsearch / LogStash / Kibana Developer
(Must be a U.S. Citizen)

Does the thought of building and administering  a massive Big Data cluster excite you? Do you get upset when your friends think that Shards are something that happens when you eat bad sushi? Would you like to help us create awesome data visualizations for high-security threat detection and response?

Role:
We are looking for a developer with Elasticsearch and data science experience to help us implement modern, high-performance data collection, aggregation and exploitation applications using the ELK stack. You’ll be working with a small, diverse team of developers to create enterprise security software.

Requirements:
– Extensive experience with ELK Stack technologies
– Data Science / System Administration background a plus
– Back-End web development

We’re hoping you have some experience with code repository management
systems like Git, Bitbucket or Subversion, and experience with CI/CD pipelines is a big plus. Apply today to find out what Def-Logix has to offer!

About Us:
Def-Logix, Inc. is a 10 year old and rapidly growing research and development company offering software solutions and integration to (primarily) the DOD, DHS, and USAF.

Our office is located in the San Antonio Technology Center right beneath the rooftop putting green and just a short walk from the foosball table. The building itself is 15 minutes from the heart of downtown San Antonio where you’ll find the Riverwalk and the Pearl Brewery Complex.

Why Apply?
– Group health plan, dental and vision
– Flexible spending accounts
– Employee assistance
– Life accident and disability insurance
– Adoption assistance
– Simple IRA
– Education reimbursement
– Paid time off
– Flexible daily hours
– Relaxed requirements for employee attire

System Administration
0%
Programming
0%
Back End Web Development
0%

Contact us





Mid/Senior Level C# Developer
(Must be a U.S. Citizen)

Do you want to help protect enterprises against nefarious bad guys? Do you have Cybersecurity experience and love writing C#?  Do you love FREEDOM?

Role:
We are looking for a passionate C# developer to help us create the next-generation of advanced threat detection and response applications. You’ll be working with a small team of friendly professionals, collaborating in an Agile environment to help create awesome products.

Requirements:
– 3-7 Years Developing C# applications

We would like it if you have experience with code repositories like Git, Bitbucket or Subversion. Experience writing network applications is a big plus, and cybersecurity experience or certifications are desired. Apply today so we can talk about your experience and share how Def-Logix can help you with your career goals!

About Us:
Def-Logix, Inc. is a 10 year old and rapidly growing research and development company offering software solutions and integration to (primarily) the DOD, DHS, and USAF.
Our office is located in the San Antonio Technology Center right beneath the rooftop putting green and just a short walk from the foosball table. The building itself is 15 minutes from the heart of downtown San Antonio where you’ll find the Riverwalk and the Pearl Brewery Complex.

Why Apply?
– Group health plan, dental and vision
– Flexible spending accounts
– Employee assistance
– Life accident and disability insurance
– Adoption assistance
– Simple IRA
– Education reimbursement
– Paid time off
– Flexible daily hours
– Relaxed requirements for employee attire

Programming
0%
Certificated
0%
Analytical
0%

Contact us





Mid/Senior Level C/C++ Developer
(Must be a U.S. Citizen)

Are you on a first-name basis with Bjarne? Does “K&R” occupy a special place on your bookshelf? Do you call electrical outlets “outlets” because a socket means something else entirely?

Role:
We are looking for motivated, experienced C/C++ developers to help create the next generation of advanced network security applications. This will be mostly Windows code, but if you are an experienced Linux developer, especially with kernel or driver experience, send us your resume, you might be a great fit. We’d like it if you knew a std::vector from a std::array, but if you’re an old-school const char* type of person and are willing to learn, you might be a good fit for this role too. You’ll be working with a small team of friendly developers working to create high-performance security applications using Agile development principles. Apply now so we can talk!

Requirements:
– 3+ Years Professional Development experience

We would love it if you had experience with code repository systems
like Git, Bitbucket or Subversion. Knowledge of build systems like Make, CMake or GNU Autotools is a big plus. Experience with unit test frameworks is also a good thing. Cybersecurity experience or certifications are a big plus, but if you have experience writing high-performance code for games, applications, or drivers, please apply!

About Us:
Def-Logix, Inc. is a 10 year old and rapidly growing research and development company offering software solutions and integration to (primarily) the DOD, DHS, and USAF.
Our office is located in the San Antonio Technology Center right beneath the rooftop putting green and just a short walk from the foosball table. The building itself is 15 minutes from the heart of downtown San Antonio where you’ll find the Riverwalk and the Pearl Brewery Complex.

Why Apply?
– Group health plan, dental and vision
– Flexible spending accounts
– Employee assistance
– Life accident and disability insurance
– Adoption assistance
– Simple IRA
– Education reimbursement
– Paid time off
– Flexible daily hours
– Relaxed requirements for employee attire

Programming
0%
Code Repository Management
0%
Analytical
0%

Contact us





***All Applicants Must Be US Citizens and Eligible to Receive a DOD Clearance***

Do you feel compelled to automate anything you have to do more than twice? Do you understand concepts like “least privilege” and “separation of duties”? Do you know when it’s right or wrong to build Docker containers instead of virtual machines?

Def-Logix is looking for a full-time security-focused DevOps Engineer with experience in Windows and Linux administration. A qualified candidate will have in-depth scripting knowledge (Bash, Python, PowerShell, etc.) and a passion for automation and testing. At least fundamental understandings of version control (Git, Mercurial, etc.) and CI/CD pipelines (GitLab, Jenkins, Travis CI, etc.) are required. Strong software development skills are a huge plus. Clearance is desired but not required for consideration.

Responsibilities:

Design, develop and maintain a DevOps framework to support build server automation and automation of RMF scans (ACAS/NESSUS/HP Fortify) into the software development lifecycle.
Develop customer and team documentation of the DevOps process.
Perform maintenance, upgrades and troubleshooting.
Provide technical support and training to project team and customer
Required Skills:

Expert within Linux (RHEL, Centos, Ubuntu)
Expert with Linux scripting (Bash, Python, Gawk, Perl, Groovy)
Experience with source code repository tools (GIT, SVN).
Experience with Agile development practices
Expert with build automation technologies (Jenkins, Gradle, GIT, SVN, Maven, Ivy)
Experience with automated configuration management tools (Ansible, Salt, Puppet, Chef)
Experience with Artifact binary repository management (Nexus, Maven, Artifactory)
Experience with distributed platforms (Kafka, Hadoop, Spark)
Experience with OS package management systems (Yum, Apt)
The ability to work collaboratively on projects
Security+ certification or the ability to obtain one within 6 months.
Experience gathering, analyzing, translating and composing technical information into clear, readable documents to be used by technical and non-technical personnel
Experience working in an Agile environment supporting SCRUM methodologies
Perform testing post-release/ post-implementation
Required Qualifications:

A Bachelor’s Degree from an accredited college or university in Computer Engineering, Computer Science, Computer Security, Information Technology or related discipline
Must have 4+ years of relevant professional experience.
Must be a US citizen
Applicants selected for employment must have a DoD secret security clearance and must meet additional eligibility requirements for access to classified information or materials.

Desired Skills:

Experience developing in AWS GovCloud or another cloud service provider
Experience with VMWare vSphere, vSAN and ESXi virtualization technologies
Experience with KVM/QEMU technology
Experience mirroring Linux repositories on a closed network
Experience with Atlassian tool suite (Jira, Stash, Crowd, Confluence, etc.)
Understanding of networked system services to include DNS, DHCP, NTP, HTTP, Log Servers, and User Authentication services
Experience with automated test suites (Selenium, Lettuce, etc.)

About Us:

Def-Logix, Inc. is 10 years old and rapidly growing as research and development company offering software solutions and integration to (primarily) the DOD, DHS, and USAF.

Our office is located in the San Antonio Technology Center right beneath the rooftop putting green and just a short walk from the foosball table. The building itself is 15 minutes from the heart of downtown San Antonio where you’ll find the Riverwalk and the Pearl Brewery Complex.

Why Apply?

group health plan, dental and vision
flexible spending accounts
employee assistance
life accident and disability insurance
adoption assistance
simple IRA
education reimbursement
paid time off
flexible daily hours
relaxed requirements for employee attire

Programming
0%
Code Repository Management
0%
Analytical
0%

Contact us





***All Applicants Must Be US Citizens and Eligible to Receive a DOD Clearance***

Does analyzing malicious code pique your interest? Do you enjoy using new and exciting technology to determine the origin, variants, advanced capabilities, and potential mitigation strategies of said code? Did you ever take you car apart to see why it wasn’t working? Do you prefer taking apart lego structures?

Def-Logix is seeking a full-time Reverse Engineer with experience writing C, C++, and Assembly Language. A qualified candidate will have at least an interim Top Secret Security clearance.

Responsibilities: 

• Isolate, review, analyze, and reverse-engineer programs and applications.
• Work deep within the boot process, kernel, and system internals to devise novel solutions using tools like IDA Pro, debuggers, and in-target probes to research behavior of binaries.
• Analyze software and firmware using reverse engineering techniques to understand security vulnerabilities, working closely with teammates who value innovation and execution.
• Analyze, disassemble, and reverse engineer software binaries; document and transition results in reports, presentations and technical exchanges.
• Design, prototype, document, test and transition code analysis methods and tools appropriate for operational use.

Required Skills: 

Read and write C, C++, and Assembly
• Trace code execution in a debugger (windbg/gdb/IDA Pro)
• Understanding of security protection mechanisms (ASLR, DEP, NX)Desired Skills:
• Detailed understanding of mobile device operating systems.
• Detailed understanding of computer networking (e.g. TCP/IP, HTTP, SSL)
• Proficient in one or more assembly languages (e.g. x86, ARM)
• Familiarity with PE/ELF file formats, linkers, and compilers
• Experience solving cybersecurity Capture-the-Flag challenges
• Embedded development or reverse engineering experience

Required Qualifications:

A Bachelor’s Degree from an accredited college or university in Computer Engineering, Computer Science, Computer Security, Information Technology or related discipline
Must have 4+ years of relevant professional experience.
Must be a US citizen
Applicants selected for employment must have a DoD secret security clearance and must meet additional eligibility requirements for access to classified information or materials.

About Us:

Def-Logix, Inc. is 10 years old and rapidly growing as research and development company offering software solutions and integration to (primarily) the DOD, DHS, and USAF.

Our office is located in the San Antonio Technology Center right beneath the rooftop putting green and just a short walk from the foosball table. The building itself is 15 minutes from the heart of downtown San Antonio where you’ll find the Riverwalk and the Pearl Brewery Complex.

Why Apply?

group health plan, dental and vision
flexible spending accounts
employee assistance
life accident and disability insurance
adoption assistance
simple IRA
education reimbursement
paid time off
flexible daily hours
relaxed requirements for employee attire

Programming
0%
Code Repository Management
0%
Analytical
0%

Contact us