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:Bachelor’s Degree or High School diploma and 1+ years of experience ina cyber security related role.1+ years' experience in incident response or security operations center.Knowledge of cybersecurity principles, incident detection, analysis, and response methodologies.Knowledge of operating systems, network protocols, and security technologies.Knowledge of threat intelligence, vulnerability management, and security incident response best practices.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 timeSKN.7.23

ManTech seeks a motivated, career and customer-oriented Enterprise Architect to join our team in McLean, VA.Responsibilities include but are not limited to:Oversee and manage the customer’s business, Information Technology (IT), application, and data architecturePlan, develop, and execute the customer’s Enterprise Architecture (EA) solution strategy, consistent with security guidelines and EA industry standardsProvide technical analysis and advice on application and operational environments, functional systems analysis, design, integration, documentation, and implementationFacilitate and participate in business and IT alignment through stakeholder collaboration, driving digital business strategiesAnalyze business and operating models, market trends and the technology industry to determine their potential impact on the customer’s enterprises business strategy, direction, and architectureValidate IT infrastructure and other reference architectures for adherence to security guidelines and procedures and recommend changes to enhance security and reduce risksBasic Qualifications:Bachelor’s Degree in a technical field (Science, Technology, Engineering, and Mathematics (STEM))7+ years serving as an Architect Lead or similar work leading platform-based technology strategy or solution deliveryExperience with delivery frameworks, such as Agile, DevSecOps, and integrated Human-Centered DesignExperience in end-to-end solution development lifecycle and agile methodologiesExpertise in cloud services supporting identity management, microservice and event-driven architectures and modern data architecturesPreferred Qualifications:Advanced degrees and certifications are desired (e.g., TOGAF, Open CA, Zachman Certified Architecture)Understanding of the Government program management and acquisition framework and System Engineering Life Cycle (SELC) highly preferred.Delivery experience in enterprise-scale software and data platforms for Government agenciesClearance Requirements:TS/SCI with polygraphPhysical 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.

ManTech seeks a motivated, career and customer-oriented Information Systems Security Manager (ISSM) to join our team in McLean, Virginia. As an ISSM on our team, you will support our Cyber Security Operations Center (CSOC) by identifying, coordinating, and mitigating risks that could impact our ability to execute our detection and response mission. This role requires a proactive approach to risk assessment, policy alignment, incident readiness, and strategic planning to enhance the security posture and resilience of our operations.Responsibilities include, but are not limited to:Risk Identification & AssessmentRisk Mitigation & CoordinationIncident Readiness & Business ContinuityGovernance & Compliance AlignmentCommunication & Stakeholder EngagementCollaborate with security teams, leadership, and external stakeholders to ensure continuous risk visibility and mitigation strategies are in placeRequired Qualifications:Bachelor’s degree and 6+ years’ experience in cyber risk management, cybersecurity operations, security governance, or relevant field or High School Diploma and 10+ years’ experience in cyber risk management, cybersecurity operations, security governance, or relevant fieldExperience with cyber threats, vulnerabilities, security frameworks, and risk management methodologiesExperience in security operations, threat analysis, or cyber resilience planningUnderstanding of Security Operations Center (SOC) environments, threat intelligence, and incident response processesPreferred Qualifications:Certifications such as CISSP, CISM, CRISC, GCIH, or GCFRExperience in cyber resilience planning, business continuity, or disaster recovery strategiesKnowledge of cloud security risks (AWS, Azure, GCP) and hybrid security modelsClearance Requirement:Active/current TS/SCI with polygraphPhysical Requirements:Must be able to remain in stationary position at least 50% of the timeSKN.7.23

ManTech seeks a motivated, career and customer-oriented Cyber Security Operations Center (CSOC) Analyst to join our team in McLean, Virginia. As a CSOC Analyst on our team, you will lead the technical oversight and execution of cyber investigations and incident response activities within our large enterprise environment. This role is critical to detecting, analyzing, and mitigating Advanced Persistent Threat (APT) campaigns and other sophisticated cyber threats. You will act as a technical consultant within the SOC, capable of mentoring junior analysts, ensuring investigation quality, and driving improvements in response processes across all SOC domains.Responsibilities include, but are not limited to:Conduct cyber investigations and end to end incident responseProvide technical oversight and quality control across the CSOCIdentify opportunities for process improvement and efficiencies and provide change management leadership to the CSOC teamProvide mentoring and skill development to less experienced analystsMinimum Qualifications:Bachelor’s degree and 6+ years of experience in cyber security operations or incident response or High School Diploma and 10+ years of experience in cyber security operations or incident responseExperience with investigating and responding to APT threat campaigns, nation-state actors, and advanced cyber attacksExperience in host-based forensics, memory analysis or network forensicsExperience working with EDR, SIEM, SOAR, forensic tools, and malware analysis platformsKnowledge of MITRE ATT&CK and adversary tactics, techniques, and procedures (TTPs)Ability to lead and mentor less experienced team membersPreferred Qualifications:Certifications such as GCIH, GCFA, GNFA, GCFE, GREM, OSCP, or equivalentExperience with cloud security incidents (AWS, Azure, GCP) and hybrid security modelsExperience developing custom detection rules (YARA, Sigma, Snort, Suricata) and automation scripts (Python, PowerShell, Bash)Experience in penetration testing and/or CNE/CNO activitiesClearance 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-oriented CyberDetection Engineer to join our team in McLean, Virginia. As a Cyber Detection Engineer on our team, you will enhance our cybersecurity detection and response capabilities. You will play a key role in improving our ability to identify, analyze, and respond to cyber threats through custom detection logic, automated workflows, and advanced threat-hunting techniques. This role is ideal for someone with strong programming skills, deep knowledge of Security Information & Event Management(SIEM) platforms, and experience developing high-fidelity security detections and automation workflows.Responsibilities include, but are not limited to:Detection Engineering & DevelopmentSecurity Automation & OrchestrationThreat Detection & AnalysisEndpoint & Network Security (EDR & NDR)Required Qualifications:Bachelor’s Degree and 2+ years of experience in cyber security operations or High School Diploma and 6+ years of experience in operationsExperience in cyber detection engineering, threat hunting, incident response, cyber network operations (CNO) or cyber network engineering (CNE)Experience programming in Python or a similar language for automation and data analysisExperience with SIEM platforms such as Splunk, ELK, Sentinel, Chronicle, or similarExperience with YARA, Snort, Suricata, or other signature-based detection technologiesExperience working with MITRE ATT&CK framework, or similar, for adversary tactics and techniques mappingPreferred Qualifications:Experience with penetration testing, red teaming, or reverse engineeringExperience with SOAR solutions and automation workflowsExperience developing custom detection methodologiesExperience with threat intelligence platforms and integrating threat intelligence feeds into security operationsKnowledge of Windows Internals and forensic artifacts for endpoint securityCertifications such as GCDA, GCIH, GCFA, OSCP, or Splunk Certified Security ProfessionalClearance 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 timeSKN.7.23

ManTech is seeking a highly skilled and motivated Cyber Detection and Response Analyst to join our dynamic Cyber Incident Response Team. As a key member of the team, you will be responsible for proactively monitoring, detecting, analyzing, and responding to cybersecurity incidents within our large enterprise network. Your expertise in incident detection, analysis, and response will play a vital role in safeguarding our organization's critical assets and ensuring the integrity of our information systems.Responsibilities include, but are not limited to:Incident Detection and MonitoringUtilize SIEM (Security Information and Event Management) systems and other detection technologies to identify and investigate security anomalies.Collaborate with other teams to establish and fine-tune detection rules and alerts.Incident Analysis and InvestigationConduct in-depth analysis of detected incidents to determine the nature, extent, and impact of the cybersecurity threats.Perform forensic analysis, including examining network traffic, log files, and system artifacts, to identify the root cause and potential entry points of incidents.Document incident findings, including the attack methodology, IOCs, and recommended mitigation measures.Collaborate with cross-functional teams, such as network engineers, system administrators, and legal representatives, to gather and analyze relevant information during incident investigationsIncident Response and MitigationExecute the incident response process, following established procedures and protocols, to contain, mitigate, and remediate security incidents.Coordinate with internal teams and external stakeholders to ensure a swift and effective response to incidents, including communication, containment, and recovery activities.Utilize incident response tools and technologies to facilitate the investigation, containment, and eradication of threats.Provide recommendations for remediation actions and improvements to security controls and processes based on incident findings and lessons learned.Threat Intelligence and Vulnerability ManagementStay up to date with the latest cybersecurity threats, vulnerabilities, and industry best practices.Monitor external sources for threat intelligence and emerging trends to enhance the organization's incident detection and response capabilities.Contribute to vulnerability management activities by assessing and prioritizing vulnerabilities and providing guidance on remediation strategies.Reporting and DocumentationPrepare clear and concise incident reports, including detailed timelines, analysis, and recommendations for senior management and relevant stakeholders.Maintain accurate and up-to-date documentation of incidents, investigations, actions taken, and lessons learned.Assist in the development and maintenance of incident response playbooks, procedures, and guidelines.Basic Qualifications:2+ years of experience in Cybersecurity, Information Technology , Computer Science or other relevant technical field; experience can be any combination professional experience, internships , lab work or coursework.Experience with one or more of the following: SIEM systems, network security tools, log analysis tools, cybersecurity principles, incident detection, analysis, and response methodologies, operating systems, network protocols, and security technologies.DoD 8570 IAT-II required (can be obtained after hire)Security Requirements: Active/Current TS/SCI with polygraph

ManTech seeks a motivated, career and customer-oriented Senior Software Developer - Cloud to join our team in Chantilly, VA. Responsibilities include but are not limited to:Designing and implementing large-scale ingest systems in a Big Data environmentOptimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyondDesigning and implementing data extraction, cleansing, transformation, loading, and replication/distributionDeveloping custom solutions/code to ingest and exploit new and existing data sourcesWorking with Sponsor development teams to improve application performanceOrganizing and maintaining documentation so others are able to understand and use itCollaborating with teammates, other service providers, vendors, and users to develop new and more efficient methodsMinimum Qualifications:High School Diploma/GED with 15+ years of experience in the Information Technology fieldStrong software development experience, to include significant Java development, data analysis/parsing, and SQL/database experienceStrong experience with the full data lifecycle, from ingest through display, in a Big Data environmentStrong experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIsExperience developing and performing ETL tasks in a Linux environmentPreferred Qualifications:Experience with Hadoop, Hbase, MapReduceExperience with ElasticsearchExperience with NiFi, Kafka, and ZookeeperClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the timeThe person in this position 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 Application Developer to join our team in Chantilly, VA The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development.Responsibilities include but are not limited to:Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the futureAnalyzing user needs and software requirements to determine feasibility of design within time and cost constraintsCollaborating with teammates, other service providers, vendors, and users to develop new program featuresDeveloping unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correctCorrecting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced. As well as, reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issuesParticipating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.Deploying code to development, test, and production environments using existing DevOps infrastructure/toolsMinimum Qualifications:High School Diploma/GED with 7+ years of experience in the Information Technology fieldStrong Java programming/development skills, with hands-on experienceExperience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably AngularExperience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPAExperience with Git branching and merging within a team to manage source codePreferred Qualifications:Strong ability to manage competing priorities and communication to multiple stakeholdersExperience with, or knowledge of, ElasticsearchExperience with, or knowledge of, best practices for developing secure web applicationsClearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the time