Lead Security Engineer

Join Accenture Federal Services as a Lead Security Engineer, where you will spearhead initiatives to develop and implement cutting-edge security solutions. Your expertise will be crucial in protecting sensitive data and ensuring the integrity of our systems.

At IntraFi, we don’t just innovate; we empower financial institutions to provide essential access to banking services for small businesses, consumers, and companies nationwide. With a vast network of over 3,000 financial institutions, we play a pivotal role in supporting the economic engine, enabling local lending that strengthens communities through affordable housing, family farms, and businesses of all sizes. This mission is what motivates our team and keeps us engaged at IntraFi.As the leading deposit allocation service provider in the nation and the pioneer of reciprocal deposits, IntraFi has dedicated more than twenty years to developing innovative solutions that assist financial institutions in managing liquidity, driving growth, and serving their communities effectively. Our contributions span institutions of all sizes, from community banks to major financial organizations, allowing us to meet ambitious business growth targets while enhancing the stability of the broader financial system. Recognized by American Banker, Washington Post, and Fortune as one of the best workplaces, we foster a collaborative and flexible environment where creativity and innovation flourish. Join us and be part of a team that is making a substantial impact on the financial services industry.

Role overview Quartermaster seeks a Lead Security Operations Engineer based in Arlington, VA. This role takes responsibility for the daily management and continuous improvement of security operations, focusing on protecting company systems and sensitive data. The position combines oversight with direct involvement in refining and advancing security processes. What you will do Manage daily security operations and coordinate efforts with both technical and non-technical teams Create and implement updated security measures to address new and evolving threats Respond promptly to security incidents and address vulnerabilities as they arise Collaborate with colleagues across departments to uphold strong security standards throughout the organization

Prosidian Consulting is seeking a talented and detail-oriented Internal Review Security Engineer II to join our dynamic team on a contract basis. This role is pivotal in ensuring the integrity and security of our internal processes and systems. As a key player, you will conduct thorough reviews and assessments, identifying vulnerabilities, and implementing effective solutions to enhance our security posture.

Zetier is on the lookout for a highly skilled Information Systems Security Engineer (ISSE) to join our team in Arlington, VA. This role is pivotal in leveraging your expertise in cloud automation, Infrastructure-as-Code, virtualization, and orchestration. You will be responsible for supporting, building, and securing cloud-based environments through innovative automation strategies, significantly enhancing our ability to rapidly deploy and manage scalable infrastructure solutions.

About UltraViolet Cyber UltraViolet Cyber delivers unified security operations for organizations facing complex cyber threats. Founded by experienced security professionals, the company blends advanced technology with hands-on expertise to provide real-time solutions that connect red and blue team operations. Clients include Fortune 500 companies, federal agencies, and commercial organizations. Headquartered in McLean, Virginia, UltraViolet Cyber also operates in the U.S. and India, aiming to make advanced cybersecurity widely available. Role Overview: Principal Security Engineer (Zscaler SME) This Arlington, VA-based position focuses on supporting large federal clients as a Zscaler Subject Matter Expert. The Principal Security Engineer works closely with network and security teams to deliver reliable, efficient, and high-performing Zscaler deployments. What You Will Do Oversee deployment and operational support for the Zscaler product suite, including ZPA, ZIA, ZDX, and ZCC. Update documentation as network designs change to keep records accurate and useful. Collaborate with stakeholders to test systems and validate performance. Ensure application migrations align with security and performance requirements. Location Arlington, VA

Join our team at Prosidian Consulting as an Internal Review Security Engineer I on a contract contingent basis. This role is essential in enhancing our internal security protocols and ensuring compliance with industry standards. You will work closely with cross-functional teams to identify vulnerabilities and implement effective security measures.

Work Location: Arlington, VAEmployment Type: Full-Time, Senior-Level Department: Administrative and Logistics SupportJoin CGS Federal as a dedicated Security Support Specialist, where you will play a crucial role in overseeing and advising on all security-related activities.At CGS, we unite talented and innovative individuals to tackle the government's most pressing challenges through advanced technology. We are looking for individuals who are eager to drive innovation, value teamwork, and adeptly anticipate the needs of others. Our supportive environment fosters professional growth through diverse learning opportunities.

About Redhorse Corporation Redhorse Corporation delivers data-driven insights and technology solutions that support U.S. national interests. The company values skilled professionals who bring expertise and integrity to mission-critical work, partnering with government agencies to develop technology-agnostic solutions. Role Overview Redhorse seeks a Contract Security Officer (CSO) with a Full Scope Poly (FSP) clearance for its Arlington, VA location. This position plays a central role in the company’s industrial security program, making sure both personnel and facilities meet rigorous national security requirements. The CSO serves as the main point of contact between Redhorse and the Defense Counterintelligence and Security Agency (DCSA). This liaison role supports teams as they deliver digital solutions within secure government environments.

Join Us in Making a Difference!UltraViolet Cyber is a premier platform-driven unified security operations company that provides a robust suite of security operations solutions. Founded by industry practitioners with extensive experience, our security-as-code platform merges technological innovation with human expertise, making cutting-edge real-time cybersecurity accessible for all organizations. We strive to eliminate the risks associated with separate red and blue teams.By continuously optimizing identification, detection, and resilience against today's evolving threats, UltraViolet Cyber delivers both managed and customized unified security operations solutions to Fortune 500 companies, federal government agencies, and commercial clients. Headquartered in McLean, Virginia, we also have offices across the U.S. and in India.We are currently on the lookout for a highly skilled Network Security Engineer with substantial experience in serving large-scale customers, particularly federal clients. This vital role will collaborate closely with our network and security teams to ensure a robust, efficient, and effective deployment of Zscaler for our federal customer. The Network Security Engineer will be responsible for the operations and maintenance support of the full suite of Zscaler products (ZPA, ZIA, ZDX, ZCC). Key responsibilities include updating documentation related to network design and technologies, collaborating with stakeholders to test systems and application migration processes, and ensuring that all systems meet performance and security requirements.This position requires five days of onsite work per week with the team in Arlington, VA. U.S. citizenship is mandatory due to the federal Entry of Duty Background Investigation process.

Position Title: Security Operations SpecialistLocation: Arlington, VACategory: FundedSchedule: Full-TimeTravel Requirements: Not ApplicableShift: DaytimeRemote Type: On-siteClearance Requirement: Top Secret/Special Access RequiredDivision: AviationAbout ACT1 Federal: ACT1 Federal LLC is a fully employee-owned organization dedicated to serving the Department of Defense (DoD) for nearly three decades. Our core missions encompass weapon systems engineering, logistics, space domain expertise, global defense and security, as well as business and financial management for security assistance and major defense articles. Join us in our commitment to excellence!Role Overview: We are seeking a seasoned Security Operations Specialist to provide comprehensive security support within our Special Access Program (SAP) facility. The successful candidate will coordinate and oversee activities at the F-35 Joint Program Office's 1550 conference center, engaging effectively with high-ranking military officials and senior executives.Key Responsibilities:Process Program Access Requests (PARs) via authorized channels.Manage all administrative security tasks related to SAP material, including receipt, transmission, inventory, and disposition.Develop and maintain PSO-approved Standard Operating Procedures (SOPs) for each F-35 facility, ensuring current and compliant SAP processes.Support Security Education and Training initiatives.Facilitate SAP visit certifications for authorized personnel.Maintain SAP facility accreditations and manage the program's post office box.Conduct annual self-inspections of SAP programs and report findings.Perform additional duties as assigned.Required Qualifications:Extensive knowledge of DoD and Service security regulations related to activity, physical, and information security.In-depth understanding of NISPOM and JAFAN series security requirements.Proficiency in managing challenging situations constructively.Flexibility to work outside standard hours as needed.Self-motivated, proactive individual with a professional demeanor.Outstanding oral and written communication skills, paired with excellent interpersonal abilities.Competence in Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).Strong analytical and problem-solving skills.Ability to multitask effectively.

Are you ready to help make connectivity from space universally accessible, secure, and actionable? If so, you've found the right opportunity!E-Space is at the forefront of bridging Earth and space, enabling hyper-scaled deployments of Internet of Things (IoT) solutions and services. We are developing a state-of-the-art low Earth orbit (LEO) space system that will revolutionize the design, economics, manufacturing, and service delivery associated with traditional satellite and terrestrial IoT systems.At E-Space, we pride ourselves on being intentional, unapologetically curious, and fully dedicated to innovating space-based communications. Our mission is to deliver actionable intelligence that will boost global economies, safeguard space and our planet, and enhance the overall quality of life for everyone.ROLE OVERVIEW:We are on the lookout for an experienced Facilities Security Officer (FSO) who can spearhead the design and implementation of a comprehensive industrial security program for a classified “possessing” facility. In addition, this role will take on the responsibilities of the Insider Threat Program Senior Official (ITPSO), focusing on developing and maintaining a proactive insider threat and awareness program.Joining E-Space means becoming part of a groundbreaking moment — you will help establish our cleared operations from the ground up while ensuring compliance with the National Industrial Security Program (NISP), DoD 5220.22-M (NISPOM), and all related directives.

About Redhorse CorporationJoin Redhorse Corporation at a pivotal moment in our growth. We are dedicated to delivering innovative data insights and technology solutions that are vital to U.S. national interests. We seek insightful, talented professionals to join our team as we partner with clients to create technology-agnostic solutions that address complex mission needs.Position OverviewWe are currently searching for a Personnel Security Policy Specialist who will be instrumental in providing essential Personnel Vetting support to the Counterintelligence, Law Enforcement & Security (CL&S) Directorate within the Office of the Under Secretary of War for Intelligence and Security (OUSW(I&S)) at the Pentagon. This key role significantly influences the safety and security of the Department of War (DoW) by aiding in the formulation, execution, and supervision of personnel vetting policies and procedures. Your contributions will play a critical role in maintaining the integrity of the Department of Defense's personnel vetting system and safeguarding national security.

At Accenture Federal Services, our mission is to empower the U.S. federal government to enhance national security and improve the quality of life for citizens. Our dedicated team of over 13,000 professionals is passionate about leveraging technology and innovation to serve clients in defense, national security, public safety, civilian, and military health sectors.Join our esteemed team at Accenture Federal Services, a prominent technology branch of global Accenture, and be part of a recognized Glassdoor Top 100 Best Place to Work. We foster a collaborative and inclusive environment where every member feels valued and is encouraged to grow, learn, and thrive through a wealth of hands-on experiences, certifications, and industry training.Together, let’s create meaningful change that propels government initiatives forward!Accenture Federal Services is on the lookout for an adept Information Systems Security Engineer (ISSE) to join our Arlington, VA team. In this pivotal role, you will support cybersecurity authorization and assessment activities for classified information systems, adhering to the Risk Management Framework (RMF). You will collaborate with a specialized team to review and validate RMF authorization documentation, conduct technical compliance assessments, evaluate security control implementations, and assist in incident response efforts. Your expertise will ensure that systems comply with federal Information Assurance (IA) directives, secure data across all classification levels (including Sensitive Compartmented Information), and align with necessary security design, control, and documentation standards. The ISSE will also play a crucial role in developing key RMF artifacts such as System Security Plans (SSPs), Security Control Traceability Matrices (SCTMs), Plans of Action and Milestones (POA&Ms), Risk Assessment Reports (RARs), and ongoing monitoring documentation.

Join Our Team as a Mid-Level International Security Specialist!Located in Arlington, VA, ACT1 Federal LLC is a 100% employee-owned company with nearly three decades of experience serving the Department of Defense (DoD). We specialize in various domains, including weapon systems engineering, logistics, space domain expertise, global defense and security, and military training.Position Overview: We are seeking a dynamic and multidisciplinary International Security Specialist (ISS) to provide essential security operations support. The ISS will focus on Special Access Program Facility (SAPF) Security Operations, Personnel Security (PERSEC), Information Security (INFOSEC), Communication Security (COMSEC), Physical Security (PHYSEC), and Cybersecurity (CYBER) operations. This role involves delivering international security support to our Partner and Foreign Military Sales (FMS) countries, facilitating valuable partnerships with the United States.Key Responsibilities:Offer comprehensive security guidance and mentorship to F-35 Partner and FMS security professionals.Design and implement Country Security Manager training.Conduct security classification reviews for the F-35 program.Coordinate secure courier missions and develop transportation plans for classified materials.Continuously evaluate and report on the security posture of F-35 Partner and FMS countries.Assist in the creation of country-specific security documents to safeguard F-35 assets.Collaborate with cybersecurity and foreign disclosure professionals on security matters.Lead security conferences and working groups with international partners to address complex security challenges.

Syncreon Consulting is seeking a Security Program Manager focused on vulnerability management for the Arlington office. This position centers on maintaining the security and integrity of company systems by managing the full lifecycle of vulnerabilities. Role overview The Security Program Manager will identify, assess, and prioritize vulnerabilities across technology environments. The work involves close coordination with teams from different departments to address risks and implement practical solutions. Key responsibilities Identify and evaluate vulnerabilities within company systems Prioritize risks and recommend mitigation strategies Work with cross-functional teams to address security concerns Support ongoing improvements to the organization’s security posture Location This role is based in Arlington.

Syncreon Consulting is seeking a Security Program Manager focused on vulnerability management for our Arlington office. This position plays a central role in protecting our systems and processes by identifying, assessing, and addressing security vulnerabilities. Role overview This role centers on strengthening our security posture. The Security Program Manager works closely with the security team to spot potential risks and guide efforts to reduce them. Attention to detail and a proactive approach are essential. What you will do Identify security vulnerabilities across company systems and processes Assess the impact and urgency of discovered risks Lead mitigation efforts to resolve or minimize vulnerabilities Who succeeds in this role This position suits those looking to deepen their experience in cybersecurity. The work directly influences the safety and resilience of our organization.

At Two Six Technologies, we innovate, develop, and deploy cutting-edge products to address some of the world's most complex challenges. Through exceptional collaboration and steadfast trust, we redefine the limits of what's achievable, empowering our team and assisting our clients in fostering a safer global environment.Opportunity OverviewBecome part of the Trusted Electronics & Effects business unit at Two Six Technologies, located in Arlington, Virginia. Here, you will engage in pioneering research focused on advanced embedded systems and architectures. By working with technologies such as processor modules, digital boards, and high-speed signals, you will dismantle physical hardware, extract firmware, identify vulnerabilities, and advance the field of embedded system security. Collaborate closely with elite hardware engineers and security researchers to tackle some of the most formidable challenges in the industry.Our expanding base of government clients relies on our ability to deliver state-of-the-art security solutions. We are in search of a talented Hardware Reverse Engineer to propel our mission forward. If you're driven by the challenge of solving intricate problems and making a significant difference in national security, we want you on our team.

Company OverviewArlo Solutions LLC is a leading information technology consulting firm dedicated to providing innovative technology solutions. We pride ourselves on the exceptional talent within the Arlo Solutions team and the strong partnerships we foster with our clients. Our mission is to thoroughly understand and fulfill the needs of our clients by delivering high-quality, value-driven solutions. We are committed to not only reducing costs but also enhancing business processes, accelerating response times, improving services for end-users, and equipping our customers with a lasting competitive advantage.Position Overview:The Physical Security Support Subject Matter Expert (SME) is a full-time position that plays a crucial role in supporting the Office Under Secretary of War for Intelligence & Security (OUSW (I&S)). The selected candidate will be responsible for independently managing high-priority and mission-critical components of the OUSW (I&S).

Systems Technology Research (STR) is seeking a Principal Software Reverse Engineer who is passionate about researching and analyzing vulnerabilities in cyber-physical systems. This role is part of a multidisciplinary team of skilled researchers and engineers committed to creating innovative technologies that significantly impact national security. You'll have the opportunity to work at the intersection of computer systems and real-world applications, where your unique skills and perspectives will contribute to delivering cutting-edge solutions for our clients.Important: All work must be performed onsite, and an Active Top Secret (TS) Clearance is required.Key Responsibilities:Conduct reverse engineering on complex software or firmware, encompassing a range of targets from standard Windows/Linux binaries to embedded firmware on unconventional computer architectures and operating systems.Develop and utilize automated reverse engineering and binary analysis tools to characterize protocols, interfaces, and functionalities of target systems.Innovate and implement advanced cybersecurity solutions.Lead cross-functional teams to address challenging problems across various technologies, creating groundbreaking cybersecurity strategies.Engage in vulnerability weaponization, exploit development, payload creation, and exploit mitigation on diverse complex targets.Conduct technical marketing to both existing and prospective customers.Contribute to technical proposal development through idea generation, writing, reviewing, and editing.Document, demonstrate, and present research findings.Address real-world challenges that influence national security.