B4Corp

About the Company

B4Corp is a small defense contracting company that focuses on providing an optimum environment for mission-focused, highly-skilled consultants to support the United States of America's intelligence community and other defense organizations. B4Corp provides a low overhead, highly efficient, high salary environment that allows employees to excel at meeting the client's needs. B4Corp is looking for information technology professionals that have a high sense of personal responsibility, self-motivation, and mission drive. Visit us at www.b4corp.com for more information.

B4Corp's dedication and care for its employees is reflected in the outstanding compensation and benefits B4Corp provides. Our salaries are second to none. B4Corp's benefits reflect the company's policy of putting the employees first. Our health insurance demonstrates this with 100% employer coverage and providing employees with a plan that has $0 copay, 0% coinsurance and an HSA that can allow employees to accrue health savings for the future. B4Corp's maximum flexibility comp / makeup time policy, along with the company's cafeteria-style benefit plan that allows employees to maximize their benefit dollars, reflects B4Corp's commitment to its employees.

Compensation:
Outstanding Salaries

Retirement:
Full Featured Vanguard 401k
o 100% matched up to 6% of employee's salary
o Ability to max out 401k savings ($54,000.00/yr / $60,000.00 over 50)
B4Corp phantom stock

Insurance 100% Employer-Paid Premiums:
United Health Care Choice Plus HSA POS Gold 1500 w/HSA
o Employer funded HSA to cover 100% health care deductible
o Health insurance: $0 copay, $0 co-insurance
o 100% employer premium coverage for single and family
Dental
Vision
Short-term disability (60% of salary up to $2,000.00/week)
Long-term disability (60% of salary up to $10,000.00/month)
Life insurance ($200,000.00)

Employee Referral Bonus:
Receive $2,000.00 per person for every year the person works for B4CORP

Listed Jobs

Company Name

B4Corp

Job Title

2027579 Software Engineer $260,000.00

Job Description

**Job Title:** Software Engineer **Role Summary:** Design, develop, and maintain web applications using a low‑code platform with custom Java backend components and JavaScript frontend widgets. Build business logic algorithms and workflows, ensuring integration with existing systems. **Expectations:** - Must hold a Top Secret (TS/SCI) clearance with polygraph. - Demonstrated ability to develop web applications in Java, JavaScript, HTML/CSS, and Sass. - Proficiency in low‑code platform usage and version control (Subversion or Git). - Minimum 3–5 years of relevant experience (senior level) with potential for growth to SME. **Key Responsibilities:** - Design, code, and test scalable web applications on a low‑code platform. - Develop custom Java backend modules for data processing and business rules. - Create and maintain JavaScript widgets and responsive UI components. - Write clean, well‑documented CSS using Sass. - Implement and optimize business logic algorithms and workflows. - Use version control (Subversion/Git) for code collaboration and release management. - Ensure compliance with security policies and clearance requirements. **Required Skills:** - Java programming (backend development). - JavaScript, HTML, CSS with Sass (frontend development). - Experience with low‑code platforms. - Version control systems: Subversion, Git. - Web application architecture and best practices. - Ability to design and implement business logic algorithms. - Understanding of security clearance procedures (TS/SCI, polygraph). **Required Education & Certifications:** - TS/SCI clearance with polygraph (mandatory). - No formal education or certification specified; technical proficiency is primary.

Reston, United states

On site

Senior

20-12-2025

Company Name

B4Corp

Job Title

2027586 Data Scientist $230,000.00

Job Description

**Job Title** Data Scientist (Level 1 – Subject Matter Expert) **Role Summary** Conduct independent research, testing, and evaluation of advanced algorithms for a defense client. Optimize and deploy research‑grade machine learning models, produce documentation, and provide guidance on algorithm integration and performance. **Expectations** - U.S. Top Secret (TS/SCI) clearance with polygraph - Document results and model enhancements - Interface with internally hosted data science tools - Deliver improvements in memory and computational efficiency **Key Responsibilities** 1. Develop and execute testing and evaluation methods for research algorithms. 2. Report results, produce technical documentation, and advise on algorithm deployment. 3. Evaluate, integrate, and optimize internally hosted data‑science platforms. 4. Customize research‑grade algorithms by quantizing, trimming layers, or applying custom efficiency techniques. 5. Implement and maintain solutions using Python, JavaScript, and R. 6. Apply machine‑learning and deep‑learning libraries (Pandas, scikit‑learn, TensorFlow, PyTorch). 7. Perform statistical inference and build predictive models. 8. Analyze large‑scale text data. 9. Develop and deploy verification methodologies to evaluate algorithm performance and identify optimization strategies. 10. Deploy models on multimedia data (text, audio, video, hardware, peripherals) when required. **Required Skills** - Python, JavaScript, R programming - Machine-learning libraries: Pandas, scikit‑learn, TensorFlow, PyTorch - Statistical inference and predictive modeling - Large‑scale text analytics - Algorithm optimization (quantization, layer trimming) - Experience with model evaluation and verification **Optional / Preferred Skills** - Natural Language Processing research/development - Convolutional Neural Networks (CNN) and large‑language models (LLMs) - Deployment of models on multimedia data **Required Education & Certifications** - Bachelor’s degree (or higher) in Computer Science, Data Science, Statistics, or a closely related field - No specific certifications mandated; relevant technical certifications may be advantageous - Must hold or be eligible for TS/SCI clearance with polygraph requirement.

Mclean, United states

On site

Senior

08-01-2026

Company Name

B4Corp

Job Title

2027601 Systems Engineer $245,000.00

Job Description

**Job Title:** Systems Engineer – Subject Matter Expert (TS/SCI) **Role Summary:** Senior Systems Engineer responsible for designing, deploying, and managing high‑availability networking and virtualization solutions centered on Citrix NetScaler and Citrix Gateway platforms. Provides expert guidance on architecture, policy configuration, and performance optimization for enterprise environments that include XenDesktop, Hyper‑V, Nutanix, and VMware. **Expectations:** * Minimum 16 years of progressive experience in systems/network engineering. * TS/SCI clearance with polygraph. * Demonstrated leadership in complex, mission‑critical deployments. * Ability to work independently and as part of cross‑functional teams. **Key Responsibilities:** 1. Design, implement, and maintain Citrix NetScaler appliances, including NetScaler Gateway, GSLB, and management console. 2. Architect and troubleshoot Citrix Virtual Apps & Desktops (XenDesktop) deployments on Hyper‑V, Nutanix, and VMware infrastructures. 3. Create, manage, and optimize NetScaler policies (Responder, Rewrite) and pooled licensing models. 4. Develop custom HTML pages for NetScaler and Citrix portals. 5. Collaborate with networking teams to design and install VLANs, subnetting schemes, and LACP configurations. 6. Monitor user experience and performance metrics for XenDesktop environments, implementing remediation strategies. 7. Ensure configuration compliance and documentation for security, scalability, and resiliency. 8. Provide subject‑matter expertise to support project planning, risk assessment, and operational excellence. **Required Skills:** * In‑depth knowledge of Citrix NetScaler architecture and configuration. * Experience with Citrix Gateway, GSLB, and NetScaler management console. * Proficiency in NetScaler policy design (Responder, Rewrite). * Strong background in Citrix Virtual Apps & Desktops troubleshooting. * Networking expertise: VLANs, subnetting, LACP, IP routing. * Virtualization platform experience: Hyper‑V, Nutanix, VMware. * Ability to develop HTML/CSS for portal customization. * Excellent analytical, communication, and documentation skills. * TS/SCI clearance with polygraph. **Required Education & Certifications:** * Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field. * Cisco Certified Network Associate (CCNA) or higher. * Citrix Certified Professional – Virtualization (XCP) or Citrix Certified Professional – Networking (CCNP). * NetScaler Certified Engineer (optional but preferred). * VMware Certified Professional (VCP) or equivalent.

Herndon, United states

On site

Senior

13-01-2026

Company Name

B4Corp

Job Title

2027612 Data Scientist $230,000.00

Job Description

**Job Title:** Data Scientist **Role Summary:** Advanced data science professional responsible for developing, validating, and deploying machine‑learning models that support national security missions. Works within a defense environment, leveraging Python, PyTorch, and web‑service frameworks to transform analytical insights into operational capabilities. Operates at the Subject Matter Expert (SME) level, collaborating with multidisciplinary teams on high‑impact projects requiring stringent security clearances. **Expactations:** - Must hold or be eligible for a Top Secret (TS/SCI) clearance with polygraph. - Eligible for Level 1 SME responsibilities; preferred experience ranges 6–15 years; 0–2 years acceptable for developmental track with rapid skill acquisition. - Expected to work core hours 9 am–4 pm; travel and shift work may be required by mission priorities. **Key Responsibilities:** - Design, implement, and evaluate deep‑learning models using PyTorch for NLP, computer‑vision, or multimedia analytics. - Develop RESTful APIs and microservices with Flask to expose models for client and partner systems. - Conduct statistical analysis to validate model performance and ensure adherence to operational requirements. - Deploy and maintain production environments on Linux servers, ensuring robustness, scalability, and security compliance. - Lead research and prototyping of emerging techniques including convolutional neural networks, large language models, and foundational AI models. - Collaborate with cross‑functional teams (data engineering, SOA architects, system administrators) to integrate solutions into larger defense infrastructures. - Document design decisions, model assumptions, and performance metrics for audit and regulatory purposes. **Required Skills:** - Proficiency in Python programming, PyTorch, and Flask. - Minimum working knowledge of REST APIs. - Solid foundation in statistics and data‑analysis methodologies. - Basic understanding of natural‑language processing concepts. - Comfortable with Linux environment, bash scripting, and system administration fundamentals. - (Optional) Experience with CNNs, LLMs, multimedia‑data modeling, embedded systems (e.g., Raspberry Pi), and Android configuration. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Data Science, Applied Mathematics, or related field (advanced degrees a plus). - TS/SCI security clearance with polygraph required; no additional certifications mandatory, though certification in ML or AI (e.g., TensorFlow Developer, Microsoft Azure AI Engineer) may strengthen candidacy. ---

Chantilly, United states

On site

Senior

16-01-2026