Information Systems Security Officer

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.

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

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.

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 Avint, LLC as a dedicated and skilled Information Systems Security Officer (ISSO). We are looking for a candidate with extensive technical knowledge, hands-on experience in securing intricate systems, and a thorough understanding of U.S. Government cybersecurity regulations. This position is vital for leading system authorization activities, ensuring compliance, and maintaining the security and integrity of cloud and on-premises environments.The ideal applicant must be a U.S. citizen with an active Top Secret clearance and SCI eligibility, and possess a DoD 8570 certification (CISSP, Security+, etc.). The role requires the candidate to work on-site in Washington, D.C. or at locations throughout the DC Metro area five days a week. Additionally, the candidate should be prepared for domestic and international travel of up to 25%.

CGS Federal is actively seeking a dedicated Information Systems Security Officer (ISSO) with extensive knowledge in DIACAP and/or RMF methodologies to support the Department of Commerce in securing their systems and facilitating their Authorization to Operate (ATO) processes. This dynamic role, based at the prestigious Herbert Hoover building in Washington, DC, encompasses comprehensive life-cycle Assessment and Authorization (A&A) management through all six steps of the RMF process.As an ISSO, you will conduct thorough security assessments and oversee information system security activities, ensuring compliance with NIST standards, particularly NIST 800.53. Your expertise will be critical in identifying potential security weaknesses, recommending necessary improvements, and maintaining cybersecurity risk management at an organizational level.At CGS Federal, we pride ourselves on bringing together motivated and highly skilled individuals who are passionate about solving the government's most pressing challenges using innovative technology. We foster an inclusive environment that encourages professional growth and collaboration, making it an exciting place to advance your career.

Join Edgesource as an Information System Security OfficerFor over 25 years, Edgesource Corporation has been at the forefront of technology services, providing innovative solutions to the Department of Defense (DOD), Department of Homeland Security (DHS), Department of State (DOS), the U.S. Intelligence Community, and various federal, state, and commercial clients both domestically and internationally. Our commitment to excellence ranges from delivering tailored technical solutions for the DOD Counter Unmanned Aerial Systems (CUAS) mission to combating critical cybersecurity threats as a prime contractor with the DHS Cybersecurity & Infrastructure Security Agency (CISA). A career with Edgesource offers the chance to engage in meaningful and impactful work.Key Responsibilities:Oversee and manage all Risk Management Framework (RMF) documentation and artifacts located onsite in Washington, D.C. or Reston, VA.Collect, analyze, and maintain security data from various sources to support authorization and ongoing monitoring efforts.Utilize vulnerability assessment tools such as ACAS and Prisma to review scan results, identify risks, and assist in remediation actions.

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 Agile Defense, Inc. as a Mid-Level Information System Security Officer (ISSO). In this pivotal role, you will be responsible for safeguarding our information systems and ensuring compliance with security policies and procedures. You will work alongside a talented team to develop and implement security measures that protect our data and technology assets.

Join Accenture Federal Services as a Senior Information Systems Security Officer and play a pivotal role in safeguarding our clients' information systems. In this challenging position, you will be responsible for establishing security protocols, monitoring threats, and implementing strategies to mitigate risks. Your expertise will help enhance our cybersecurity posture and ensure compliance with federal regulations.

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.

At Accenture Federal Services, our mission is centered on enhancing the strength and safety of the U.S. federal government, while improving the quality of life for citizens. Our talented team of over 13,000 professionals is united by a common goal: to leverage technology and innovation for the benefit of clients in defense, national security, public safety, civilian, and military health sectors. As part of Accenture Federal Services, a division of the global Accenture brand, you will be part of a recognized workplace, frequently listed among Glassdoor's Top 100 Best Places to Work. We pride ourselves on fostering a collaborative and supportive community where employees can thrive, learn, and grow through hands-on experience, certifications, and industry training. Join us in creating positive, lasting transformations that propel government missions forward! As an Information Systems Security Officer (ISSO), you will take on the pivotal role of guiding government clients through the complex journey of obtaining and maintaining Authorization to Operate (ATO) certifications for their information systems.Key Responsibilities:Utilize your knowledge of government cybersecurity standards and regulations to monitor, assess, and respond to potential security incidents and threats.Ensure that our government clients' systems comply with stringent security requirements for ATO, aligning with specific cybersecurity guidelines.Conduct comprehensive security assessments and risk analyses tailored to government compliance, identifying vulnerabilities and potential threats.Monitor security systems, logs, and network traffic with a focus on government cybersecurity protocols, identifying suspicious activities, intrusions, or unauthorized access attempts.Work closely with cross-functional teams to establish and uphold government-compatible security measures, including firewalls, intrusion detection systems, data encryption, and access controls. Investigate security incidents to ascertain their causes, impacts, and appropriate responses.Develop and implement effective incident response plans, encompassing strategies for containment, eradication, and recovery.Here’s what you need to bring to the table:

Join our dynamic team at Anavation LLC as an Information Systems Security Officer (ISSO) Team Lead. In this pivotal role, you will oversee and enhance our cybersecurity protocols, guiding a dedicated team of professionals to protect sensitive information and ensure compliance with federal regulations. Your leadership will be crucial in developing strategies that address current and emerging threats in our digital landscape.

Join Total Systems Technologies Corporation (TSTC) as a full-time Information Security Systems Officer, contingent upon contract award in March 2026. In this pivotal role, you will collaborate with a team to develop, document, and uphold comprehensive security policies and compliance measures. Your expertise will be essential in safeguarding sensitive data and enhancing our information security posture by evaluating existing systems and proposing strategic improvements.

True Zero Technologies, a veteran-owned small business, is dedicated to the meaningful integration of people and technology, which we believe is directly linked to the quality of outcomes achieved by organizations. Our commitment to our workforce is paramount; we have cultivated a community of passionate innovators who strive to deliver exceptional services to our clients. In 2023, we were honored with the title of “Best Places to Work” in two categories: "Prosperous and Thriving" and "Mid-Atlantic Region". Additionally, in 2022, we were proud to be listed among Inc. Magazine’s Top 5000 Fastest Growing Companies.As the Information Systems Security Officer (ISSO) Lead, you will be the key advisor to the Information System Owner (ISO), the Business Process Owner, and the Chief Information Security Officer (CISO) / Information System Security Manager (ISSM) on all technical and operational matters concerning the security of their designated information systems. Your expertise will be crucial in fortifying our security posture and ensuring compliance with relevant regulations.

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.

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