13 applications architect jobs found

Job Title:  IT Security Specialist – Penetration Tester  Location:  Hybrid (Reside within a commutable distance of Silver Spring, MD to work onsite as required) Citizenship:  US Citizen  Security Clearance:  Moderate Public Trust       AttainX, Inc. is in search of a highly energetic Penetration Tester  to join our team on a cyber security program supporting our US federal government client.   Are you a seasoned penetration tester with a passion for uncovering vulnerabilities and securing complex systems? We’re looking for a highly skilled and experienced professional with a minimum of 5 years of proven expertise in penetration testing and ethical hacking to join our team. In this role, you’ll take a hands-on approach to identify, exploit, and report security weaknesses across diverse environments, including AWS, Azure, and on-premises infrastructure. Your work will directly contribute to fortifying critical systems and...

Description SAIC is seeking a Principal Cloud & DevSecOps Engineer onsite in Colorado Springs, CO to support advanced cloud deployments into C2E (Commercial Cloud Enterprise) AWS environments. As part of this role, you will work on the integration of modern cloud orchestration frameworks with secure DevSecOps pipelines, enabling agile, secure, and reliable cloud services tailored to DoD and mission-critical environments. This effort will deliver secure cloud architecture, automated deployment pipelines, and security compliance enforcement across mission domains-bridging intelligence, surveillance, reconnaissance, combat applications, and command and control operations. The Cloud & DSO Engineer will collaborate closely with government, mission partners, and SAIC teams to design and implement secure cloud-native platforms capable of addressing evolving warfighter requirements. Responsibilities: Deploy Solutions in C2E Environments: Configure and deploy cloud...

Description Position Overview The Senior GCP Architect serves as the principal technical authority and platform strategist across the DOT enterprise cloud ecosystem. Operating within OST Shared Services, this role provides technical governance and architectural oversight for independent GCP development teams. The candidate is responsible for reviewing and approving architectural changes, enforcing zero-trust landing zone patterns, and engineering an enterprise Continuous Authorization to Operate (ATO) framework across Commercial, FedRAMP Moderate, and FedRAMP High Assured Workloads enclaves. Key Responsibilities GCP Enterprise Architecture & IaC Blueprinting Design, maintain, and govern multi-folder GCP landing zones using Assured Workloads for FedRAMP Moderate and FedRAMP High compliance boundaries. Enforce organizational policies, data residency constraints, and CMEK governance via Cloud KMS. Maintain clear technical boundaries separating OST Shared...

Description SIEM Engineer SAIC is seeking a SIEM Engineer to support enterprise cybersecurity operations and the modernization of the agency's security monitoring and analytics capabilities. This position is responsible for administering, engineering, and optimizing enterprise Security Information and Event Management (SIEM) platforms within a mission-critical federal environment. The ideal candidate combines strong hands-on SIEM administration experience with engineering and architectural knowledge. The successful candidate should be capable of independently troubleshooting complex technical problems, improving platform performance and reliability, and contributing to the design of scalable SIEM solutions. Strong analytical skills, technical curiosity, initiative, and a commitment to continuous improvement are essential. HYBRID: 3 days onsite / 2 days remote Responsibilities Administer, maintain, engineer, and optimize enterprise SIEM platforms, including Splunk...

Description SAIC is seeking Security Control Assessor/Representatives (SCA/Rs) to lead security control assessments across high-priority projects. Working at the intersection of cybersecurity engineering, cloud architecture, and DevSecOps prototyping, you will evaluate security controls for cutting-edge AI/LLM technologies across multiple classification levels. This position is ideal for a pragmatic cloud assessor or SCAR who excels in fast-paced DevSecOps environments, understands AWS cloud security, and is eager to shape the cybersecurity posture of next-generation DoD AI capabilities. This position will be based out of Arlington, VA. Additional responsibilities include: Key Responsibilities Execute formal SCA/R duties. Lead security assessment efforts, establishing reusable security playbooks and assessment frameworks for rapid AI deployment into enterprise workflows. Evaluate technical control effectiveness across AWS cloud infrastructure,...

Description SAIC is seeking a Senior Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems. This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved. JOB DUTIES: Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment. Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools. Architect and harden IT systems, virtualized environments, and network security devices in classified...

Description SAIC is seeking a Senior Principal Cybersecurity Engineer to support critical Navy communication systems within the DoD. This role is ideal for a hands-on security professional with deep engineering expertise, offensive security experience, and a proven track record finding vulnerabilities, and securing classified and high-security environments. You will serve as a key technical expert collaborating with engineers, program managers, and government personnel to deliver secure, resilient strategic systems. This role is fully ON-SITE in San Diego, CA. Must be local to area. Up to 10% travel involved. JOB DUTIES: Plan and execute penetration test exercises against systems, networks, and applications simulating real world environment. Perform network traffic analysis and threat detection using Wireshark and other offensive/defensive security tools. Architect and harden IT systems, virtualized environments, and network security devices in classified...

Overview LMI is seeking an Information Assurance Specialist to support Army Acquisition, Training, and Readiness (AT&R) in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. This role will support cybersecurity, compliance, risk management, and system authorization activities to help ensure ACWS meets applicable Army and DoD security requirements.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.    Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space,...

Description SAIC is seeking two experienced Information Systems Security Engineers (ISSEs) to support the MAJESTIC Joint Program Office (JPO) -one serving as a traditional enterprise ISSE and one serving as a specialized Edge ISSE focused on tactical-edge environments. Together, these engineers will lead advanced security engineering and architecture efforts for MAJESTIC's mission-critical systems, including those operating in distributed, low-bandwidth, intermittently connected, and operationally constrained mission scenarios. The Enterprise ISSE will design, develop, implement, and validate security architectures for MAJESTIC's core systems and enterprise environments, ensuring security controls are integrated throughout the full engineering lifecycle-from requirements and high-level architecture through deployment, sustainment, modernization, and ATO maintenance. The Edge ISSE , leveraging the job functions described in ISSE_Edge, will engineer cybersecurity...

Description SAIC is seeking an experienced Information Systems Security Engineer (ISSE) to support the MAJESTIC Joint Program Office (JPO) by performing advanced security engineering and architectural design for mission-critical IT systems. In this role, the ISSE will lead the design, development, implementation, and validation of security architectures , ensuring all security controls are integrated into system engineering processes across the full lifecycle-from requirements development to deployment and sustainment. The ISSE will collaborate closely with program leadership, system owners, developers, ISSMs/ISSOs, enterprise architects, and cybersecurity operations teams to ensure systems meet federal security requirements, including NIST 800-53, RMF, and customer-specific A&A frameworks such as ICD 503 and DAAPM. This role requires on-site support in Springfield, VA . Key Responsibilities: Design and engineer secure system architectures, integrating...

Job Title:  Cyber & A&A Security Specialist Location:  Hybrid (Reside within a commutable distance of Silver Spring, MD to work onsite as required) Citizenship:  US Citizenship Required Security Clearance:  Must have or the ability to obtain a Moderate Public Trust AttainX, Inc. is in search of a highly energetic Cyber & A&A Security Specialist  to join our team on a cyber security program supporting our US federal government client. Basic Minimum Qualifications: Knowledge of DOC, NOAA, and NWS IT security policies and implementation standards or those of similar sized organizations AND comprehensive understanding of NIST guidance to include, but not limited to, NIST Special Publications and Federal Information Processing Standards. At least 5 years of recent experience (within the last 6 years) in applying IT security concepts, methodologies, principles, procedures and using industry-standard IT security tools. At least 5 years...

Description SAIC has an opportunity for a DevSecOps Engineer to integrate security into the software development and delivery lifecycle. This role will design, implement, and operate secure CI/CD pipelines, cloud infrastructure, automation, and security controls that enable development teams to deliver reliable software quickly and safely. The ideal candidate combines hands-on engineering expertise with a strong understanding of application security, cloud security, and modern software delivery practices. This role partners closely with software engineers, platform teams, architects, cybersecurity teams, and compliance stakeholders. Design, implement, and maintain secure CI/CD pipelines across development, test, and production environments. Embed automated security testing into the software development lifecycle, including static application security testing, dynamic testing, software composition analysis, container scanning, and secrets detection. Develop and manage...

Overview LMI is seeking a highly skilled DevSecOps Engineer to support Army Acquisition, Training, and Readiness (AT&R) in the sustainment and enhancement of the Army Contract Writing System (ACWS). ACWS is built on the Appian Platform. This position will enable secure, repeatable delivery by designing and maintaining CI/CD pipelines, automating infrastructure provisioning, integrating security controls, and supporting scalable cloud and containerized environments. The ideal candidate is comfortable working across development, infrastructure, and cybersecurity disciplines and can translate evolving requirements into clean, scalable, secure technical implementations while supporting an Agile delivery environment. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal...