ManTech seeks a motivated, career and customer-oriented Cyber Incident Response Analyst to join our team in McLean, Virginia. Our team provides 24x7x365 support to our customer.The Cyber Incident Response Analyst will work a 4-day work week; 10 hours per shift. Staff will be assigned to either Sun-Wed or Wed-Sat. The schedule is fixed and does not rotate. We have openings on 1st, 2nd and 3rd shifts. Shift differential applies to 2nd and 3rd shifts. Candidate must be able to train on day shift for 6 months.Responsibilities include but are not limited to:Incident Detection and MonitoringIncident Analysis and InvestigationIncident Response and MitigationThreat Intelligence and Vulnerability ManagementReporting and DocumentationMinimum Qualifications:High School Diploma and 1+ years of experience as a cyber security analyst, incident responder, or other relevant cyber security position.Knowledge of cybersecurity principles, incident detection, analysis, and response methodologies.Knowledge of operating systems, network protocols, and security technologies.Ability to obtain a DoD 8570 IAT-II certification within 6 months of hirePreferred Qualifications:Relevant certifications including GIAC Certified Incident Handler (GCIH), Certified Incident Response Handler (GCFA) or similarExperience with using SIEM systems, network security tools, and log analysis toolsExperience with cyber incident responseExperience with Mitre ATT&CK frameworkExperience with threat intelligence, vulnerability management, and security incident responseClearance Requirements:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time

MANTECH seeks a motivated, career and customer-orientedPrincipal Systems Administratorto join our team inPentagon, VA. The position is onsite. Responsibilities include but are not limited to:Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access within the organization's IT environmentIdentify, diagnose, and resolve technical issues related to VIP user's IT needsMaintain accurate and up-to-date documentation of IT systems, procedures, and user support informationCollaborate with other IT staff and stakeholders to ensure smooth IT operations and address VIP user needsStrong technical skills in areas such as Windows and Linux operating systems, network administration, virtualization, and securityExcellent problem-solving and troubleshooting skills to quickly identify and resolve issuesStrong communication and interpersonal skills to interact with VIP users and IT staffExperience in managing and supporting complex IT environments, especially for VIP usersManaging desktop computers, servers, and other hardware devices for VIP usersInstalling, configuring, and updating software applications used by VIP usersTroubleshooting and resolving technical issues related to VIP users' hardware, software, and network accessCreating, modifying, and managing VIP user accounts and permissionsSupporting and maintaining specialized software and hardware used by VIP usersProviding training and support to VIP users on new software and hardwareManaging Active Directory and other infrastructure core servicesProviding support for thin clients and virtual desktop environmentsSupporting and maintaining COTS and custom softwareCollaborating with other teams to ensure technology needs are met for eventsMinimum Qualifications:Bachelor’s degree in a technical field and 7+ years of experience in the Information Technology; an additional 4 years of Systems Administration experience can be substituted in lieu of a degreeUnderstanding of operating systems (Windows, Linux, macOS), servers, and networkingExperience with network protocols (TCP/IP), switch configurations, and firewalls is essentialExperience with scripting languages (e.g., Python, PowerShell) for automating tasks and improving efficiencyMicrosoft Visio, Word, Excel experience CASP+ Certification or ability to obtain within 6 months of hireDoD 8570 Computing Environment Certification or ability to obtain within 6 months of hireKnowledge of Microsoft Windows Systems, HP SANs, VMware productsExperience using a Service Desk ticketing system, such as Remedy or ServiceNowPreferred Qualifications:One of the following certifications is desired:MCSE - Microsoft Certified System Engineer, MCSE - Microsoft Certified Solutions Expert, MCSA - Microsoft Certified Solutions Associate, MCITP - Microsoft Certified Information Technology Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network AdministratorITIL Foundations or later certification General Dynamics Encryptor experienceSolarWinds experience and knowledgeCisco Prime Infrastructure experience and knowledgeSecurity Clearance Requirements:US Citizenship required and an active TS/SCI clearance adjudicated within the last 6 years.Physical Requirements:Must be able to remain in a stationary position 50%.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.Must be able to exchange accurate information in these situations.

MANTECH seeks a motivated, career and customer-oriented Senior Software Engineer to join our team in Alexandria, VA. As part of the position, you will act as a Software Engineer designing and implementing services and components for AI applications.Responsibilities include but are not limited to:Develops, implements, and maintains full-stack software solutions for AI-enabled applications.Works closely with the Software Architect to understand project requirements and translate them into technical specifications.Develops and integrates AI and ML capabilities on a cloud-hosted data platform that supports significant market adoption, high performance, and strict access control and governance.Designs and builds prototype and proof of concept User Interfaces using modern UX/UI standards.Stays current with advancements in AI, machine learning, and software engineering, incorporating best practices into the development process.Performs system optimization, performance tuning and assists in capacity planning.Performs proactive analysis of potential issues, risks and roadblocks during system implementation and operations.Documents software designs, code, and processes to ensure maintainability, scalability, and knowledge sharing among team members.Participates in code reviews and provides constructive feedback to peers to ensure code quality, adherence to coding standards, and knowledge transfer within the team.Minimum Qualifications:Bachelor's degree in Computer Science, Information Technology, or a related field.10 or more years (7 with Master’s) of experience in software development, systems integration, data management, or related fields.Experience with configuring and developing in a major public cloud system such as Oracle, Azure, AWS, or GCP.Experience in programming and/or scripting languages such as JavaScript, Python, C++, or Java.Experience with software development frameworks and tools (e.g., TensorFlow, PyTorch, Flask, Docker).Strong understanding of software engineering principles, including design patterns, data structures, and algorithms.Experience with DevOps tools and techniques for building integrations with external systems including Infrastructure as Code (IaC). Example tools include Jenkins, GitLab, Ansible, Terraform, AWS Cloud Formation TemplatesPreferred Qualifications:Master's degree in Computer Science, Information Technology, or a related field.Strong analytical and problem-solving skills.Excellent communication and interpersonal skills.Experience working with data ingest and transformation.Ability to work effectively in a team-oriented environment.Clearance Requirements:Must possess a current and active TS/SCIPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time.Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.