Senior Cleared On-Site Information Systems Security Engineer

Role Overview smxtech is seeking a Cleared Information Systems Security Engineer in Washington, DC. This position focuses on protecting and maintaining the security of information systems. The engineer will play a key role in keeping systems secure and resilient. What You Will Do Design and implement security protocols for information systems Monitor system activity to detect and respond to potential threats Work to maintain the integrity, confidentiality, and availability of sensitive information Location Washington, DC

At Stoke, we are passionate about advancing the space economy to foster a vibrant, sustainable, and equitable future on Earth. Our innovative project, Nova, is a fully reusable launch vehicle designed for daily flights. Nova addresses the fundamental challenges of space transportation by significantly lowering costs, enhancing availability, and boosting reliability. By reducing launch costs and increasing flight frequency, we aim to enable a scalable space industry.We are a mission-driven team that values collaboration and empowers individual ownership of work. If you're eager to work alongside some of the most dedicated and talented individuals in the industry, we would be thrilled to have you join our team.Role OverviewAs an Information Security Systems Engineer, you will be instrumental in designing, implementing, documenting, and continuously enhancing the technical security controls that safeguard Stoke’s infrastructure, engineering environments, manufacturing systems, and sensitive aerospace data. This hands-on role involves taking ownership of our evolving information security program.You will be responsible for strengthening, maintaining, and advancing the technical controls that protect our systems while driving efforts in risk management and framework alignment. Your role will include translating regulatory requirements (such as NIST 800-53/171, FedRAMP, ISO 27001, and SOC frameworks) into practical, scalable controls integrated within our systems and ensuring the maintenance of documentation and evidence necessary for audits and compliance activities.As part of a small, highly motivated team, you will collaborate across IT, software engineering, manufacturing, and operations to implement scalable security measures that allow teams to operate swiftly without compromising risk management.You should be prepared to stay focused, act quickly, self-direct, and learn continuously.

Join a Transformative CompanyAt Palantir, we develop cutting-edge software that empowers organizations to make data-driven decisions and optimize operations. Our technology is instrumental in a variety of critical sectors, from accelerating drug discovery to enhancing national security, and even reuniting families.Your Role As an Information Systems Security Engineer (ISSE) at Palantir, you will play a pivotal role in ensuring the security and compliance of our IT environments within the US Government sector. With a robust technical background in IT, you will oversee security management and technical administration for our USG facilities. Your responsibilities will involve balancing compliance with operational needs, ensuring that our infrastructure is both secure and scalable to support mission-critical Department of Defense operations. The ideal candidate will possess extensive knowledge of Windows and Linux systems engineering, alongside a solid understanding of government security frameworks, and a passion for creating secure, user-friendly environments.

MetroStar Systems seeks a Senior Information Systems Security Engineer III based in Washington, DC. This position centers on safeguarding organizational information systems and ensuring ongoing security compliance. Key responsibilities Collaborate with teams from various disciplines to enhance system security. Apply security controls and procedures that protect sensitive data. Assist in maintaining compliance with established security standards. Location This role is located in Washington, DC.

Position Overview:We are seeking a dedicated Information System Security Officer (ISSO) to play a pivotal role in safeguarding our mission-critical applications and infrastructure across various network enclaves, including Unclassified, Secret, and Top Secret environments. The ISSO will be tasked with crafting, updating, and enforcing robust security policies, implementing comprehensive cybersecurity controls, managing Authority to Operate (ATO) documentation, and conducting continual monitoring and risk assessments to ensure compliance with FISMA, NIST, DOJ, and other federal regulations.

Role Overview smxtech is seeking an Information Systems Security Representative in Washington, DC. This position focuses on protecting company information systems and supporting compliance with relevant standards and regulations. What You Will Do Collaborate with teams across the organization to identify security vulnerabilities Implement security controls and measures to protect sensitive data Monitor systems for threats and respond to potential security incidents Support efforts to maintain data integrity and confidentiality

Join Anduril Industries as an Information Systems Security Officer, where you will play a critical role in safeguarding our information systems and ensuring compliance with security standards. You will be responsible for implementing and maintaining security protocols, conducting risk assessments, and managing incident responses. This position is ideal for detail-oriented professionals passionate about cybersecurity and information protection.

Role Overview Credence Management Solutions is seeking an Information System Security Officer (ISSO) in Washington, DC. This position focuses on protecting the organization’s information systems and data. The ISSO develops, implements, and manages security protocols that help maintain the confidentiality, integrity, and availability of sensitive information. Key Responsibilities Create and maintain security protocols for information systems Implement security measures that protect sensitive data Work with IT teams, compliance officers, and other stakeholders to identify and address security risks Support efforts to ensure ongoing compliance with relevant security standards

At Agile Defense, we believe that proactive action drives successful outcomes, and that new challenges necessitate innovative solutions. We are committed to forging a path towards the future by embracing change with unwavering determination and the courage to prepare for what lies ahead.Our mission is to deliver adaptive innovation that supports our nation's critical missions, achieved through the seamless integration of cutting-edge technologies, elite expertise, and unmatched agility. We leverage a strong foundation of speed, flexibility, and ingenuity to bolster and safeguard our nation's essential interests.Requisition #: 1411Job Title: Senior Information Systems Security Engineer - Subject Matter ExpertLocation: Washington, DCClearance: TS/SCIRequired Certification: CISSPRole OverviewThe Senior Information Systems Security Engineer (ISSE) – Subject Matter Expert (SME) acts as a key technical leader, guiding the implementation and execution of the Department of Justice’s Security Assessment and Authorization (SAA) Program in alignment with DOJ policies, the SAA Policy Guide, and NIST Risk Management Framework (RMF) standards. This position provides expert security engineering leadership across complex DOJ IT environments, ensuring that systems are securely designed, authorized, continuously monitored, and sustained throughout their lifecycle.The ISSE SME serves as a principal technical advisor to government leadership, system owners, Information System Security Officers (ISSOs), and engineering teams, promoting high-quality RMF execution and risk-informed decision-making.Key ResponsibilitiesRMF & SAA Program Leadership· Mentor and supervise security professionals overseeing the complete RMF lifecycle for DOJ information systems.· Direct and coordinate the activities within the Prepare phase of RMF, ensuring clarity in roles, responsibilities, governance structures, and risk management strategies.· Lead system categorization efforts to ensure accurate classification of information systems based on mission impact, data sensitivity, and regulatory demands.Security Engineering & Control Implementation· Oversee the selection, adaptation, and documentation of security controls aligned with system categorizations, DOJ risk tolerance, and compliance obligations.· Ensure the implementation of technical, operational, and management controls across system and application lifecycles, maintaining quality and consistency in deliverables.· Act as the senior technical authority for decisions regarding security architecture, secure configurations, and remediation strategies.Assessment, Authorization & Continuous Monitoring· Ensure...

Position Overview:Join Spry Methods as an Information Systems Security Engineer (ISSE) and play a vital role in enhancing the security of mission-critical information systems within a dynamic government environment. You will be instrumental in designing, implementing, and managing cybersecurity controls across both enterprise and mission systems. Collaborating closely with engineering, operations, and security teams, you will ensure compliance with federal cybersecurity standards and authorization requirements.

Join Artech Information System LLC as an Information Security Analyst, a vital role where you will be responsible for protecting our organization's computer systems and networks. You will implement security measures to safeguard sensitive information, ensuring compliance with regulations and enhancing our overall security posture.

Information System Security Officer (ISSO)Employment Type: Full-Time, Mid-LevelDepartment: Administrative and Logistics SupportAs an Information System Security Officer (ISSO) at CGS Federal, you will be an integral part of our mission, working directly on-site with U.S. Government clients to uphold the security and compliance of a production-grade data and application platform utilized in critical mission environments. You will take on the pivotal role of the primary authority for system security and compliance, engaging hands-on with live systems while collaborating closely with engineers, operators, and the customer’s security teams.At CGS, we unite highly motivated, skilled, and innovative individuals to tackle the government’s most pressing challenges with advanced technology. We are looking for candidates who are eager to drive government innovation, value teamwork, and can intuitively understand the needs of others. Our supportive environment encourages professional development through numerous learning opportunities.Key Responsibilities:- Serve as the main on-site contact for security and compliance requirements across various U.S. Government clients.- Facilitate system accreditation and authorization efforts using frameworks such as Risk Management Framework (RMF) or Defense Information Assurance Certification and Accreditation Process (DIACAP).- Collaborate with software, systems, and field engineers to ensure proper implementation of mandatory security controls, configurations, and policies.- Evaluate deployed software solutions and ensure compliance with relevant security criteria.- Develop, standardize, and maintain essential security documentation, including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), control narratives, and supporting materials.- Generate, verify, and categorize evidence of compliance following security settings application.- Organize accreditation artifacts into a systematic, auditable repository.- Assist with audits, assessments, and ongoing compliance activities throughout the system lifecycle.- Ensure continuous security and trust of clients through proactive system access and coordination with engineering teams.

The Chief Information Officer (CIO) of a Law Enforcement Agency is seeking dynamic Information Systems Security Officers (ISSO) to enhance cybersecurity measures. This is an on-site position located in Washington, DC, requiring an active Top-Secret clearance.Key Responsibilities:Oversee daily implementation and monitoring of security configurations, practices, and procedures for information systems.Act as a liaison between system owners and information security personnel to ensure effective communication and security measures.Verify that chosen security controls are effectively implemented throughout all phases of the information system lifecycle.Develop and maintain comprehensive system security documentation, ensuring it is continuously updated.Conduct required vulnerability scans in accordance with risk assessment parameters.Create Plans of Action and Milestones (POAMs) to address identified security vulnerabilities.Manage risks to information systems and FBI assets by coordinating corrective or mitigative actions and ensuring timely completion of POAMs.Ensure system owner concurrence for corrective actions.Monitor security controls for FBI information systems to uphold security Authorizations to Operate (ATO).

Barbaricum is a dynamic and rapidly expanding government contractor dedicated to providing exceptional support to federal clients, with a special emphasis on Defense and National Security initiatives. With over 17 years of experience, we have established robust capabilities across various domains, including Intelligence, Analytics, Engineering, Mission Support, and Communications. Our mission, founded in 2008, is to revolutionize how our clients tackle complex and evolving challenges by harnessing cutting-edge technology and top-tier talent.Located in the historic Dupont Circle area of Washington, DC, Barbaricum also maintains corporate offices in Tampa, FL, Bedford, IN, and Dayton, OH, with team members working across the nation and globally. As a leader in our industry, we collaborate with private sector firms, academic institutions, and industry associations to continually enhance our expertise and capabilities for the benefit of our employees and clients. Our vibrant corporate culture thrives on diverse expertise and perspectives, emphasizing collaboration and innovation. Join our team to tackle the nation’s most complex and rewarding challenges.The RoleWe are looking for passionate and driven individuals with backgrounds in Systems Administration, Software Development, or Systems Engineering to join us as Information System Security Officers (ISSO). As a member of our team, you will work alongside fellow engineers to enforce security policies, develop standardized security documentation, and provide compliance evidence once security settings are implemented. Your expertise will be invaluable as we rapidly deploy software solutions that meet our customers' most critical needs while maintaining government trust through close stakeholder collaboration and ownership of the Authorization to Operate (ATO) process.

Join Agile Defense as an Information System Security Officer (ISSO) where you will play a crucial role in safeguarding our information systems and ensuring compliance with security policies. You will work closely with teams to identify vulnerabilities, implement security measures, and respond to incidents. Your expertise in information security will be instrumental in protecting sensitive data and enhancing our overall security posture.

Join Our Team as a Junior Information Systems Security Manager (ISSM)CGS Federal is seeking a motivated and skilled Junior Information Systems Security Manager (ISSM) to play a critical role in ensuring the security and compliance of mission-critical operations for our federal clients. In this position, you will work closely with various teams to enhance our cybersecurity posture and safeguard sensitive information.Work Location: Washington, DC

As a Principal Information Security Engineer at CenturyLink, you will play a pivotal role in safeguarding our organization’s information assets. Your expertise will contribute to developing robust security strategies and implementing advanced security measures to protect sensitive data and systems. Join our team to leverage your skills in a collaborative environment focused on innovation and security excellence.

Join a Pioneering Company Shaping the FuturePalantir Technologies is at the forefront of developing cutting-edge software that empowers organizations to make data-driven decisions. Our innovative platforms are utilized for a variety of critical applications, from accelerating the development of life-saving pharmaceuticals to enhancing supply chain resilience and assisting in locating missing persons.Position OverviewWe are seeking a dedicated Information Security Engineer, responsible for safeguarding the integrity of Palantir’s people and infrastructure worldwide. The ideal candidate possesses a strong technical foundation, coupled with a deep commitment to security and ethical standards. You will thrive in a collaborative environment, demonstrating motivation and enthusiasm for tackling complex challenges.In this pivotal role, you will serve as the first line of defense in our security operations. Your team will be tasked with the round-the-clock prevention, detection, and investigation of security incidents and active threats across our global infrastructure. Your contributions will play a vital role in advancing Palantir's mission to fortify our defenses against adversaries and ensure the safety of our extensive network.

Join a Transformative CompanyAt Palantir, we engineer cutting-edge software solutions that empower organizations to make data-driven decisions and optimize operations. Our innovative platforms enable partners to discover life-saving treatments, anticipate supply chain challenges, locate missing persons, and much more.Your RoleAs a Cybersecurity Engineer, you will be entrusted with safeguarding Palantir’s global workforce and technological infrastructure. Your technical acumen, coupled with an unwavering commitment to integrity and a genuine enthusiasm for technology, is what sets you apart. We seek a collaborative, driven individual who thrives on problem-solving and embraces new challenges.In this pivotal role, you will serve as the frontline defense against potential threats to Palantir. Your team will oversee round-the-clock monitoring, prevention, detection, and analysis of security incidents and attacks across our extensive infrastructure. Your contributions will play a crucial role in advancing Palantir's mission by fortifying our defenses and securing our worldwide network.