• Test SEPA credit transfer flows, SWIFT MT / ISO 20022 message flows, and Visa card payment flows including 3DS2 authentication. • Perform API , contract, schema, and integration testing at the microservice layer, including async / event-driven workflow testing across queues, retries, and DLQ. • Execute structured test scenarios across SEPA , SWIFT , and Visa payment workstreams and validate end-to-end transaction lifecycle flows, reconciliation, settlement, and data consistency. • Conduct resilience testing including retries , circuit breakers , DLQ , failover, and idempotency validation, as well as performance, load, and stress testing for platform stability. • Develop, execute, and integrate automated test suites into CI/CD pipelines. • Produce audit-grade test evidence and traceability documentation for PCI DSS compliance. • Validate web, mobile, and cross-platform functional consistency and regression coverage. • Collaborate with developers, DevOps , and security teams to identify, track, and verify defect resolution.

Role Description SIXGEN supports cyber and intelligence missions by serving government and commercial organizations as they overcome global cybersecurity challenges. You’ll work with our highly skilled operators conducting research and assessments based on real-world threats. You’ll simulate adversaries and malicious actors and report details and actionable findings on critical assets and infrastructures. Using innovative processes, tools, and techniques, you’ll predict and overcome cybersecurity vulnerabilities. What You’ll Do - Simulate real-world cyberattacks to assess and challenge the effectiveness of security controls and incident response capabilities. - Conduct reconnaissance, exploitation, and post-exploitation activities using adversary tactics, techniques, and procedures (TTPs). - Develop and use custom tools and methods to evade detection and maintain stealth during engagements. - Document findings and deliver clear, actionable reports to technical and executive stakeholders. Qualifications - Experience performing OSINT/reconnaissance, enumeration, web application testing, social engineering, payload development, initial access, system enumeration, lateral movement, privilege escalation, data exfiltration. - Participates in report writing process and can professionally convey findings and impact to customers, both written and verbally. - Practical offensive certification: CRTO, OSCP, CPTS, or similar. - At least 2 years of independently executing complete red team engagements, from planning through post-exploitation. - At least 2 years modifying/red-teaming tools (e.g., Cobalt Strike, Kali) and 2+ years developing payloads to bypass A/V and EDR defenses. - Experience performing engagements on cloud, hybrid, multi- and/or single-tenant active directory environments such as AWS, GCP, Entra. - In-depth knowledge and experience with Windows and *NIX-based operating systems, networking concepts, and Active Directory. Requirements - Clearance Requirements: None, but Public Trust preferred. - Travel: Up to 10%. Benefits - Employer-paid health insurance premiums (medical, dental, vision) for you and your family. - Employer-paid short/long term disability insurance and basic life/AD&D insurance. - 401K with a 4% employer contribution. - Professional development reimbursement options available (training, certification, education, etc). - Flexible and remote work policies for most positions. - Flexible PTO and holiday schedule. Company Description SIXGEN’s mission is to deliver agile, mission-ready cybersecurity solutions that empower government and critical infrastructure organizations to stay ahead of advanced cyber threats. We combine innovation, deep expertise, and cutting-edge capabilities to uncover vulnerabilities, protect vital systems, and ensure operational superiority in an ever-evolving digital landscape.

Role Description As a ML Quality Assurance Engineer at Derq, you will play a critical role in ensuring the reliability, accuracy, and performance of our computer vision and machine learning based products. You will work closely with our development team to design and execute comprehensive test strategies, identify and report defects, and help improve the overall quality of our customer facing AI products, using data analytics. Key Responsibilities - Collaborate with AI development and product teams to understand product requirements and design effective test plans and test cases for AI based products - Strategize evaluation methodologies, gathering data and evaluation reporting - Perform data analytics on large datasets - Monitor and track anomalies within product’s content and statistics - Train and deploy ML models to help boost product performance - Create and maintain detailed documentation of test processes, methodologies, and findings - Keep up to date with advancements in the field to optimize internal processes and workflows - Interface and coordinate with Engineering team - Foster a collaborative, proactive team environment that values shared success. Qualifications - Bachelor’s degree in an analytical domain such as Machine Learning, Computer Science, or a related discipline - Python, Javascript and SQL Knowledge/Experience - Familiarity with classical Machine Learning Models such as Random Forest, SVM, Naive Bayes - Core understanding of mathematical concepts for statistical inference - Hands on with spreadsheet based querying and analytics - Proficient with annotation tools such as CVAT - Excellent knowledge of word processing tools and spreadsheets (MS Office Word, Excel etc.) - Good command of English both oral and written and reporting skills - Knowledge of basic statistical principles coupled with logical thinking, coherent reasoning and a detail-oriented attitude

Role Description As a Compliance & Quality Assurance Engineer , you will contribute to the certification of safety-critical avionics systems. You will work closely with senior SQA engineers and certification specialists to provide Quality Assurance Plans (SQAP/HPAP) to ensure certification compliance. For this role, we are seeking mid-level to senior engineers with good experience in SQA and certification in aerospace/avionics (preferred). You will have the opportunity to grow into a full compliance role such as being certification liaison or safety and cybersecurity specialist. The position also requires the ability to work autonomously and take ownership of assigned tasks. - Support DO-178C and DO-254 certification activities (SOI-1 through SOI-4) across multiple programs, working closely with senior SQA engineers. - Assist in preparation, review, and refinement of certification artifacts (PSAC/PHAC, SDP/HDP, SVP/HVP, SCMP/CMP, etc.) to ensure consistency and quality. - Develop, review and accept Quality Assurance Plans (SQAP/HPAP) to ensure certification compliance. - Perform SQA audits, compliance checks, and support gap tracking between planned processes and actual execution. - Understand, update, and maintain QMS systems in compliance with ISO9001, AS91000, and other equivalent industry standards in addition to ensuring compliance to customer specific standards. - Support day-to-day certification execution, including: - Organizing deliverables - Tracking review comments and closures - Maintaining certification evidence packages - Participate in configuration management and change control activities (e.g., CCB, baseline tracking). - Assist in preparing for customer, DER, and internal audits. - Work closely with engineering teams to ensure certification requirements are properly implemented and understood. - Learn and support traceability activities (SRQ/HLR/LLR/test/evidence). - Contribute to improving internal SQA processes, templates, and workflows to enable repeatable certification execution. - Shadow and learn from senior SQA engineers to build deep knowledge of FAA certification approach and tools. Qualifications - Bachelor's degree in Engineering (Software, Systems, Electrical). - 3 to 8 years of experience in software engineering, software quality, or system engineering. - Basic understanding of software development lifecycle and documentation practices. - Strong organizational skills with attention to detail. - Ability to learn quickly in a structured, process-driven environment. - Strong communication skills and ability to work across engineering and program teams. - Willing to work independently and coordinate with technical teams. Able to work directly with customers. - Willingness to grow into a long-term certification and SQA role. - U.S. citizenship required; dual citizenship must be disclosed. Benefits - All members included in annual cash bonus opportunity. - 2% annual retirement benefit opportunity. - Training/Professional Development opportunities for all members. - 6 paid holidays. - Industry leading medical, dental, and vision Insurance. - Vacation / Sick Time / Bereavement leave. - Employee Assistance Program, including mental health benefits. - Spouse / Child Optional Life. - Whole Life Insurance / Critical Illness Insurance / Legal Assistance / Military Leave. - All your information will be kept confidential according to EEO guidelines.