Senior Information Security Engineer - Offensive Security

What Impact You’ll Have:Join our innovative team at GRVTY, where we develop advanced CNO software for mobile platforms including Android and iOS, contributing to crucial multi-platform support for ongoing mission operations. Unlike many projects within the IC/DoD, here you will see the tangible impact of your work, directly engaging with users and understanding the missions your software supports. Work closely with the hardware/software interface, tackling real-time cyber challenges. You will engage with mobile devices, embedded systems, Linux kernels, OS internals, and networking. Your toolkit may include programming languages such as C, C++, Python, and JavaScript, allowing for creative problem solving in a fast-paced environment. Our team is composed of highly skilled professionals, both government staff and contractors, working collaboratively towards mission success. Experience on-the-job learning and mentorship as you grow into a strong contributor. We are looking for talented Android Developers to join us in Dulles, VA, where you will design and develop customized software tools, diagnose and debug issues, and contribute to a team of experts in various fields including CNO Tool Development and Mobile Exploitation.

Join Our Innovative Team: At grvty, we are at the forefront of developing CNO (Computer Network Operations) software for mobile devices, specializing in both Android and iOS platforms. Our projects are integral to the success of ongoing operational missions across multiple platforms. Unlike many roles where the application of your work is obscured, here, you will witness firsthand the impact of your contributions. You will engage directly with end users, seeing how your software enhances mission success. Our development environment is dynamic and closely integrated with hardware and software interfaces, encompassing mobile devices, embedded systems, Linux kernels, and networking protocols. You will have the opportunity to work with a variety of programming languages, including C, C++, Python, and JavaScript, depending on project requirements. We value creativity and encourage innovative problem-solving approaches. Our team is composed of highly skilled professionals, including government staffers and contractors, all committed to high-quality work. The fast-paced nature of our projects means that you will see results within weeks, without the disruptive shifts often found in other environments. We foster a culture of continuous learning, with opportunities for growth in mobile development, even for those with limited prior experience. Our program is based in Dulles, VA, and requires an active TS clearance, with potential upgrades to TS/SCI + Poly over time. If you're ready to take on real-time cyber challenges as part of a mission-driven team, we would love to hear from you!

What Impact You’ll Have: Join our dynamic team at grvty, where we develop cutting-edge CNO software for mobile platforms, including Android and iOS, as part of a comprehensive initiative supporting multi-platform operational missions. Unlike typical projects in the IC/DoD, here you will witness the real-world application of your work, understanding exactly who utilizes the software, the missions involved, and the impact of your contributions. Experience a hands-on environment where you will engage closely with both the hardware and software interfaces of mobile devices, embedded systems, Linux kernels, and OS internals. You will have the opportunity to work with a variety of programming languages, including C, C++, Python, and JavaScript, depending on the specific operational mission you support. Our team thrives on creativity and innovative problem-solving. You will collaborate with exceptionally skilled government staffers and contractors in a well-managed, fast-paced environment that prioritizes high-quality outcomes and successful missions. Each engineer's contributions are visible, ensuring a culture of accountability and excellence. We encourage ongoing learning and development; for instance, a talented low-level Software Engineer joined us with limited mobile experience and was mentored to become proficient in Android and iOS internals. We regularly seek CNO Tool Developers, O.S. Internals Developers, Vulnerability Researchers, Reverse Engineers, Mobile Exploitation experts, and Test Engineers experienced in custom test automation for mobile devices. This role is based in the Dulles, VA area, and note that we cannot support remote work. A Top Secret clearance is required upon joining (upgradable to TS/SCI + Poly over time applicable to this customer). What You’ll Be Owning: As an Android Developer at grvty, you will engage in solving real-time cyber challenges within a mission-focused team that collaborates closely with end users. Your responsibilities will include designing custom software tools and techniques for the Android platform, overseeing the entire design and development process of custom software, and diagnosing and debugging issues utilizing both COTS and GOTS tools.

Join Our Mission-Driven Team!As an Android Developer at GRVTY, you will play a pivotal role in our software development efforts for mobile devices, working on critical CNO software that supports operational missions across various platforms, including Android and iOS. Unlike other projects in the IC/DoD where the impact of your work may be obscured, here you will have direct visibility into how your contributions are utilized in real-time missions. You will engage closely with end users, understanding the significance of your work firsthand.Your responsibilities will involve designing and developing innovative software tools tailored for the Android platform, overseeing the entire software lifecycle from conception to implementation. You will also troubleshoot and resolve issues using both Commercial Off-The-Shelf (COTS) and Government Off-The-Shelf (GOTS) tools, ensuring the highest quality in our deliverables.Our team is composed of highly skilled professionals, both government staff and contractors, fostering a collaborative and productive environment. You will find ample opportunities for creativity in problem-solving, with a fast-paced project timeline that values quality and effectiveness over haste. We encourage continuous learning and provide resources to help you expand your expertise, particularly in mobile internals if you come from a different background.This position is based in the Dulles, VA area, and candidates must possess a TS clearance, with the possibility of advancement to TS/SCI + Poly over time. We are looking for passionate individuals eager to tackle real-time cyber challenges within a mission-focused team.

What You'll Contribute As a Software Engineer/CNO Developer, you will engage in all stages of software development, including design, implementation, testing, deployment, and support. This role involves collaborating within small teams to create and deploy mission-critical systems, reverse-engineering network application protocols, and developing sophisticated tools for data and network analysis. Your Responsibilities Develop applications ranging from simple scripts to complex, multi-threaded client/server architectures. Demonstrate strong engineering skills with a proven ability to prioritize tasks, communicate effectively, and consistently deliver results. Contribute creative engineering solutions while maintaining a focus on quality and customer satisfaction in a dynamic, entrepreneurial environment. Essential Qualifications Active TS/SCI clearance with the capability to obtain a polygraph. Bachelor’s degree or equivalent in Computer Science or a related discipline. Proficiency in writing and debugging multi-threaded applications. Strong knowledge of the TCP/IP stack and network protocols, particularly regarding application communication over the Internet. Preferred Qualifications Experience with Linux environments, including OS internals (Windows/Linux/MacOS/Android/iOS) and kernel/user space interactions. Understanding of various CPU architectures, focusing on x86/64 and ARM, along with experience in linkers, loaders, and compiler technologies. Knowledge of memory management concepts relevant to CPU architectures. Expertise in C/C++ and Assembly language; ability to adapt to other programming languages as necessary. Familiarity with binary reverse engineering tools such as IDA Pro or radare. Research experience in vulnerabilities across different architectures and systems. Familiarity with machine learning concepts and embedded development is a plus.

Join our dynamic team at Integrated Resources Inc. as a Web Developer, where you will play a key role in designing and implementing innovative web applications. Your expertise will contribute to enhancing our digital presence, and you'll collaborate with cross-functional teams to deliver high-quality solutions.

Join Northstrat as a Senior Full Stack Developer and play a pivotal role in developing innovative Mission Management web applications for the Intelligence Community. We are looking for a proactive and experienced individual who excels in both back-end and front-end technologies, possessing a deep understanding of various programming languages and frameworks. As a self-starter, you will be responsible for transforming abstract tasks into high-quality software solutions.Your work will involve leveraging cloud-based microservices architecture within the Williamsburg and Epsilon programs. Key responsibilities include:Developing robust back-end services using Java, JEE, and REST web services.Collaborating with cross-functional teams to define, design, and implement new features.Creating detailed specifications and writing efficient software code.Engaging with system engineers and subject matter experts to gather functional requirements.Designing and executing unit and integration tests while facilitating formal testing processes.Contributing to user training manuals and documentation.Staying updated on technical changes and application features.Applying Agile methodologies to enhance development processes.Participating in code reviews, testing, and debugging to ensure software quality.Influencing architectural decisions and contributing to the evolution of our technology stack.

Join Northstrat as a Senior Full Stack Developer and become an integral part of our innovative team. We are looking for a passionate and skilled individual with a robust background in both front-end and back-end development, proficient in various programming languages and frameworks. This position requires a proactive self-starter capable of transforming vague tasks into high-quality solutions.Your work will contribute to developing Mission Management web applications for the Intelligence Community, utilizing a cloud-based microservices architecture. Key responsibilities include:Employ Java, including JEE and REST web services, for back-end development.Collaborate with interdisciplinary teams to define, design, and execute new features.Create detailed specifications and produce software code.Engage with system engineers and subject matter experts to grasp functional requirements.Develop unit tests and integration tests while assisting in formal testing processes.Contribute to user training manuals.Stay updated on feature and technical changes within the application.Implement Agile software development methodologies in your work.Participate in code reviews, testing, and debugging processes.Influence architectural decisions and contribute to the evolution of our technology stack.

Join our team at eproinc as a Drupal Developer where you will lead the design and implementation of innovative web solutions. As a part of our Software Development department, you will work closely with cross-functional teams to deliver high-quality, scalable applications that meet client needs.

A leading consulting firm is on the lookout for a talented Full Stack Web Application Developer to become a key member of our internal technology team. We specialize in partnering with large enterprises to assess and enhance the effectiveness of significant business initiatives through sophisticated analytical tools and structured performance methodologies.Position OverviewThe Full Stack Web Application Developer will be responsible for designing, developing, and maintaining a diverse range of internal and client-facing applications that facilitate analytical, benchmarking, and performance-driven services. This position requires a well-rounded skill set in both front-end and back-end development, ensuring a seamless user experience and robust functionality.

Role Overview GRVTY seeks a Software Developer with a TS/SCI + Poly clearance to join a key project in Sterling, Virginia. This position focuses on designing, building, and maintaining advanced software systems that support national security efforts. What You Will Do Design and develop software solutions for complex security-related challenges Maintain and enhance existing systems to ensure reliability and performance Work with a team to deliver secure, scalable applications Required Qualifications Active TS/SCI with Polygraph clearance Bachelor's degree in a related field At least 3 years of relevant experience Full stack development skills Experience with Node.js, API integration, and cloud-based application development Knowledge of MPLS and Ethernet technologies Location Sterling, Virginia, United States

Join Northstrat as a Full-Stack Software Developer and become a vital part of our expanding program that features diverse agile development teams. In this collaborative environment, you'll engage fully in our Agile development process, participating in ceremonies such as stand-ups, iteration planning, demos, and retrospectives. Our User-Centered Design approach ensures you receive regular feedback from end-user customers as we iteratively develop and deploy innovative features.Your role will involve tackling unique and complex challenges, leveraging cutting-edge technologies to craft scalable and secure solutions, all while deploying through a fully automated DevOps pipeline.

At LifeStance Health, we envision a society where mental and physical health care are seamlessly integrated to enhance overall well-being. Our mission is to empower individuals to lead healthier, more fulfilling lives by providing access to reliable, affordable, and personalized mental health services. Our commitment is to make this vision a reality every day, and we achieve this with the support of an exceptional team in the behavioral health sector.We appreciate your interest in a rewarding career with us. As the fastest-growing behavioral health practice in the nation, this is an opportune moment to become part of our clinical team!We are eager to welcome skilled postdoctoral clinical psychologists who are dedicated to patient care and uphold the highest standards of clinical excellence.

Role Overview GRVTY seeks a Software Developer focused on User Support for a key project in Sterling, Virginia. This position requires an active TS/SCI clearance with polygraph. The role centers on supporting users, maintaining documentation, and ensuring smooth workflow execution within secure environments. Key Qualifications Active TS/SCI clearance with polygraph At least 5 years of experience developing and maintaining systems documentation 5 years of workflow design and execution experience Background as a systems user administrator Hands-on skills with scripting languages, troubleshooting, SQL, Oracle administration, and legacy systems Familiarity with collaborative tools such as Jira and Confluence Location This role is based in Sterling, Virginia, United States.

Join MegazoneCloud, a leader in the cloud revolution, as we expand our world-class team. We are in search of a driven, tech-savvy, and dedicated Business Development Representative (BDR) to play an integral role in our go-to-market strategy.This is not your average BDR position. You will not merely follow a pre-established playbook; instead, you'll be creating it. If you possess a 'hunter' mentality, a profound interest in technology, and the determination to innovate, this is your opportunity to make a significant impact and develop your career.Your RoleAs a BDR, you will be the driving force behind our sales initiatives. Your responsibilities will include identifying, engaging, and qualifying prospective customers.Strategic Prospecting: Proactively identify and engage with target accounts, focusing on Healthcare, Life Sciences, and Automotive sectors through various channels including cold calls, personalized email campaigns, LinkedIn outreach, and AI-driven insights.Utilize Technology: Master our sales tools (Salesforce, Apollo, ZoomInfo) to effectively manage your sales pipeline, execute targeted campaigns, and meticulously document all interactions.Communicate Value: Confidently convey the MegazoneCloud value proposition to technical leaders, from VPs of Engineering to CIOs, while uncovering their fundamental infrastructure challenges.Qualify & Convert Leads: Demonstrate your skills by overcoming objections, identifying qualified sales opportunities, and arranging discovery meetings for your Account Executive partners.Develop the Playbook: As a vital member of a startup, contribute to the creation and refinement of our email templates, call scripts, and prospecting strategies. Your insights will guide our success.Collaborative Success: Work closely with Sales, Pre-Sales, and Marketing teams to execute targeted campaigns, gather market feedback, and ensure seamless transitions for new opportunities.QualificationsExperience: 1-3+ years in B2B sales or business development roles, preferably in SaaS, IaaS, or technology services. We prioritize impact and learning over mere tenure.Resilience: You are a self-motivated individual who excels in uncertain environments. You have a track record of navigating challenges and overcoming significant objections.Passion for Technology: A keen interest in technological advancements and their application in business contexts.

Join Northstrat as a talented Infrastructure Engineer, where you will be instrumental in designing, implementing, securing, and maintaining our enterprise infrastructure. This role necessitates advanced expertise in Cisco networking and security, paired with substantial experience in Linux systems administration. The perfect candidate will have a hands-on approach, an emphasis on security, and the ability to thrive in both hybrid on-premises and cloud environments.Key ResponsibilitiesNetwork EngineeringDesign, deploy, and maintain robust enterprise network infrastructure.Configure and support various Cisco devices including:Cisco routers and switchesCisco ASA and/or Firepower firewallsCisco ISE (Identity Services Engine)Manage VLAN configurations, routing protocols (BGP, EIGRP), and switching technologies.Implement and maintain secure site-to-site and remote access VPNs.Ensure network segmentation and enforce security controls.Perform firmware upgrades, patch management, and lifecycle management.Monitor network health and performance using SNMP and other tools.Troubleshoot complex Layer 2/3 connectivity issues.Establish and enforce network security best practices.Maintain firewall policies and intrusion prevention systems.Linux Systems AdministrationInstall, configure, and maintain Linux servers (RHEL, CentOS, Ubuntu).Manage system services, apply patches, and conduct updates.Automate tasks with scripting languages such as Bash, Python, or Ansible.Oversee system backups and implement disaster recovery procedures.Monitor system performance and resolve production issues efficiently.

Join Northstrat as a Java Software Engineer and become a vital part of our agile development team. We specialize in creating and maintaining an advanced software suite that empowers the Geospatial Intelligence (GEOINT) analysis mission. In this role, you will engage directly with operational users to design, develop, and sustain capabilities that are critical to mission success. As a key contributor, you will tackle unique and intricate challenges, employing cutting-edge technologies to deliver innovative solutions.

Join Northstrat, a dynamic leader in technology solutions, as a Mid-Level Test Engineer. In this pivotal role, you will be an integral part of our Agile development team, focusing on both manual and automated testing to ensure the highest quality of our software and systems. Collaborate with cross-functional teams in a fast-paced environment to facilitate the flawless integration and functionality of complex systems.Key Responsibilities:Implement unit/component test procedures for all project components, design and execute integration test procedures, carry out regression tests, coordinate user acceptance testing, and create performance tests.Perform comprehensive component integration testing, including performance and throughput benchmarking, fault tolerance, interface compliance, and functional completeness.Assist with current production system break/fix and enhancement efforts, which involve requirements review, test formulation, scenario preparation, execution, and summary reports.Document and analyze test results, generate status reports, and support the defect management process.Conduct requirement analysis and independently develop quality test plans, test cases, and reports.Support the creation of technical artifacts such as the Requirements Verification Traceability Matrix (RVTM), Use Cases, and User Interface Specifications.Regularly collect and report testing results to the architecture team and stakeholders.Ensure timely progression of defect tracking and adhere to established processes, ensuring adequate retesting of resolved defects.Identify opportunities for testing or work product enhancements.Provide informal demonstrations of work to staff and customers as needed.Document and manage defects and change requests; actively participate in Engineering Change Control processes and capture defect metrics.

Become a Catalyst for Change with Axon.At Axon, we are dedicated to our mission of Protecting Life. Our team is a group of innovators tackling the most pressing safety and justice challenges through our advanced ecosystem of devices and cloud software. We believe in collaboration and work best when we connect transparently and respectfully, embracing diverse perspectives from our customers, communities, and each other.Working at Axon is a fast-paced and rewarding experience. Here, you have the opportunity to take charge and drive significant change, continuously develop your skills while contributing to a mission that truly matters.Your ContributionIn the role of Senior Machine Learning Engineer, you will be instrumental in enhancing airspace security. Utilizing state-of-the-art camera systems and sophisticated machine learning algorithms, you will aid in the detection, tracking, and classification of various aerial objects in intricate airspace environments. By innovating new detection and tracking methodologies, you will play a crucial role in fortifying our systems against evolving airspace threats, including drones and unconventional aircraft. As part of a highly skilled team, you will have access to world-class resources and a unique dataset, allowing you to significantly impact the future of airspace security and computer vision.