ManTech seeks a motivated, career and customer-oriented Cybersecurity Analyst - Nights to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Wed-Sun 0000-1000. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma/GED with 4+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 CertificationPreferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:An active TS/SCI with Polygraph clearancePhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

ManTech seeks a motivated, career and customer-oriented Cloud Security Engineer to join our team in Herndon, VA.Join a team of cybersecurity experts that protects and defends the largest target in the world. As a Cloud Security Engineer on our team, you will utilize the latest tools available and assist in creating new ones while allowing you to advance the nation's information security posture.Responsibilities include but are not limited to: Design and champion the strategy for detecting and responding to cyber incidents within Oracle Cloud Infrastructure (OCI) or Google Cloud Platform (GCP)Create advanced detection rules and tradecraft to uncover sophisticated cloud-based attacksOptimize data pipelines to fuel rapid incident analysis and proactive threat hunting in the cloudServe as the Subject Matter Expert (SME) during critical cloud security incidents, guiding the CSOC team to swift resolutionContinuously evaluate emerging cloud security tools and techniques to enhance our defenses and response capabilitiesPartner with cross-functional teams and mentor less experienced analysts to build a stronger cloud security posture across the organizationMinimum Qualifications:High School Diploma and 15+ years of experience in cloud or cyber security or Bachelor’s degree and 11+ years of experience5+ years of experience in cyber incident response3+ years’ experience architecting, engineering, implementing, or securing solutions within Google Cloud Platform (GCP) OR Oracle Cloud Infrastructure (OCI)2+ years’ experience with data ingestion, processing, and analysis of data relevant to security investigations, such as log management, basic ETL concepts or similar.Experience with at least one scripting language, such as Python or Bash, for task automation or security analysisExperience with cloud security principles, including identity and access management, network security, and data protection within the chosen platform (GCP or OCI)Preferred Qualifications: Degree in Computer Science, Information Security, or a related technical fieldRelevant Certifications such as CISSP, CCSP, CCSK, GCFA, GCIH, or cloud-specific security certifications (e.g., Google Cloud Security Engineer, Oracle Cloud Security Architect)Experience in security services and best practices within either Google Cloud Platform (GCP Security Command Center, Chronicle, IAM, Networking) OR Oracle Cloud Infrastructure (OCI Cloud Guard, Security Zones, IAM, Networking)Experience leading and coordinating complex cloud security incident investigations, including forensic analysis and containment strategiesAbility to develop and implement automation scripts and workflows (e.g., Python, Cloud Functions/Lambdas, SOAR platforms) to enhance incident response efficiencyClearance 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-driven, and customer-focused Information Assurance Security Analyst to join our team in Columbia, MD. You will play a critical role in supporting enterprise infrastructure capabilities for a global mission-focused workforce. This position is part of a high-visibility effort supporting the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s Enterprise Information Technology (EIT)the foundational platform for enterprise-wide users. You will partner with customers, Integrated Product Teams (IPTs), and vendors to help deliver advanced EIT capabilities through Data Center & Compute Services.Responsibilities include but are not limited to:Responsible for updating hardware and software inventory records, including associated changelog documentationParticipate in Secure the Enterprise (STE) and Secure the Network (STN) activitiesReview and address Xacta notices and maintain accurate compliance documentationComplete SEAR audit log records in alignment with Sponsor standardsReview and resolve POAMs (Plan of Action and Milestones) related to IAVA findings, including IAVAxDevelop and maintain System Security Plans (SSPs)Review system scans and collaborate with stakeholders to remediate vulnerabilities.Initiate and support the authorization process for new systems and reauthorization for legacy systemsUtilize Gatekeeper, Xacta, SEAR, and LatteArt in day-to-day security operationsMinimum Qualifications:Bachelor’s degree with twelve (12) years of relevant experienceOR Associate’s degree with fifteen (15) years of relevant experienceOR High School Diploma/GED with twenty (20) years of relevant experiencePreferred Qualifications:Experience with Gatekeeper, Xacta, SEAR, LatteArt, and similar Sponsor toolsFamiliarity with STE and STN activity coordinationExperience responding to POAMs, conducting audit log reviews, and maintaining secure system inventoriesBackground supporting SSP development and managing computer incident responsesClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeOccasionally moves about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

ManTech is seeking a motivated, career and customer-oriented Information Systems Security Engineer to join our team in Linthicum, MD. The position is part of a team that provides security engineering in the Linthicum location and will provide implementation and/or integration of secure networking, computing and enclave environments.Responsibilities Included but are not limited to:Responsible for providing expertise in complying with Systems Security Certification & Accreditation (C&A) processes, to include discovery meetings, achieving Interim Approval to Test (IATT) and in obtaining final Approval to Operate (ATO) status for Systems Security Plans (SSP) associated with all mission systems to gain successful accreditation as well as manage all security relevant changes to the mission systems, assuring SSP documentation is up-to-date and ATO status is maintained.Perform/review technical security assessments of computing environments for non- complianceValidate and verify system security requirements definitions and analysis and establishes system security designsAssist architects and systems developers in the identification and implementation of appropriate information security functionalitySupport the building of security architectures and enforce the design and implementation of trusted relations among external systems and architecturesAssess and mitigate system security threats/risks throughout the program life cycleContribute to security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operationsReview certification and accreditation documentation and provide feedback on completeness and compliance of its content.Minimum Qualifications:Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university7 years experience as an Information Systems Security Engineer on programs and contracts of similar scope, type, and complexity.In lieu of a degree four (4) years of additional Information Systems Security Engineer experience may be substituted for a bachelor's degree.IASAE Level 2 Certificate required.Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements: The person in this position must be able to remain in a stationary position 50% of the time.Must 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 Cyber Security Analyst to join our team in Herndon, VA. TheCyber SecurityAnalystwill be in support of a high priority mission at one of our National Intelligence Customers. The ideal candidate will possess experience in monitoring, analyzing, and securing federal information systems while ensuring compliance with governmentcybersecurityframeworks such as NIST 800-53 and RMF. This role plays a vital part in detecting threats, supporting audits, and enabling continuous monitoring efforts across complex environments.Responsibilities include but are not limited to:Monitor, investigate, and respond tocybersecurityevents and alerts across enterprise systems.Conduct security assessments, vulnerability scans, and assist with remediation planning.Support compliance efforts for RMF and NIST 800-53.Prepare and maintain documentation for system security plans (SSPs), POA&Ms, and other A&A artifacts.Assist with the implementation and maintenance of security tools (SIEM, vulnerability scanners, endpoint protection).Analyze threat intelligence feeds and identify indicators of compromise (IOCs) relevant to federal systems.Participate in incident response, loganalysis, and forensic investigations when required.Collaborate with system owners, ISSEs, ISSEMs, ISSOs, and engineers to ensure security controls are effectively implemented.Stay current on evolvingcyberthreats, federal mandates, and best practices incybersecurity.Minimum Qualifications:Bachelor’s degree in a related field OR high school diploma and additional 4+ years of work experience in a related field4+ years of experience in cybersecurity, security operations, or risk managementFamiliarity with federal cybersecurity frameworks (e.g., RMF, NIST 800-53, FISMA)Cloud security experience with AWS, Azure, GCP or Oracle CloudExperience supporting Intelligence Community customersPreferred Qualifications:DoD 8570-compliant certification (e.g., Security+, CYSA+, CEH, or CISSP)Experience with security tools such as Splunk, Tenable Nessus, CrowdStrike, or WiresharkFamiliarity with SCAP tools, STIGs, or automated compliance reportingKnowledge of incident response and digital forensics processesClearance Requirements:Must have active TS/SCI with Full Scope PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeNeeds 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 Security Engineer to join our team in Herndon, VA to design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers.This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-critical systems.Responsibilities include but are not limited to:Implement and maintain cybersecurity solutions across classified and unclassified environments.Perform risk assessments, vulnerability scans, and system hardening in compliance with NIST 800-53 and RMF.Support the preparation and submission of security documentation for Authority to Develop (ATD) and Authority to Operate (ATO) under IC guidelines.Collaborate with system owners, ISSOs, ISSEs, ISSMs, engineers, and auditors during security assessments and continuous monitoring.Monitor and respond to security incidents, performing root cause analysis and remediation.Integrate security controls into DevSecOps pipelines and cloud architectures (AWS, Azure, GCP or Oracle).Support development and implementation of security policies, plans, and SOPs.Stay current on evolving federal cybersecurity directives, threats, and compliance requirementsMinimum Qualifications:Bachelor’s degree OR 4+ years of additional equivalent experience a related field7+ years of experience in cybersecurity or related IT security rolesExperience with NIST Risk Management Framework (RMF), FedRAMP, or DoD Cybersecurity Maturity Model Certification (CMMC)Hands-on experience working in air-gapped Cloud environmentsKnowledge of system/network security principles and incident response practicesExperience supporting the Intelligence CommunityPreferred Qualifications:DoD 8570.01-M IAT Level II or III certification (e.g., Security+, CISSP, CEH, CISM)Knowledge of STIGs, SCAP tools, and secure system baseliningHands-on experience with security tools (e.g., ACAS, Splunk, Tenable, Palo Alto, CrowdStrike, or similar)Scripting or automation experience (Python, Bash, PowerShell) to support security operationsClearance Requirements:Must have active TS/SCI with Full Scope PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time.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 Information Systems Security Officer (ISSO) to join our team in Hanover, MDResponsibilities Included but are not limited to:Ensures that the appropriate operational security posture is maintained for an Information System, or IS.Develop and update System Security Plans (SSP’s).Manages and controls changes to the system and assesses the security impact of those changes.Incorporates and/or implements the Risk Management Framework (RMF) daily and instructs and/or educates management on its necessity for maximum security of data.Performs Nessus Vulnerability and Compliance scans against all operating system hardware, to interpret technical aspects and information security assessment results, while developing a plan of action for mitigating negative findingsCreating and implementing security policies, standards, and procedures to protect sensitive information.Minimum Qualifications: Shall have ten (10) years’ experience as an ISSO with a bachelor’s degree in Computer Science or related discipline from an accredited college or university. Four (4) years of additional experience as an ISSO may be substituted for a bachelor’s degree.DoD 8570 compliance with Information Assurance Management (IAM) Level 1 or higher is required.Experience to include at least two (2) of the following areas: knowledge of current security tools/hardware/software security implementation, communication prototype, and encryption techniques/tools.Preferred Qualifications: Experience deploying and configuring security scanning tools in support of continuous monitoring processes.Experience providing critical written and verbal analyses of previously generated security architecture documentation and vulnerability and risk assessments.Experience managing a variety of tickets to assist in the CM of the information system, firewall implementations SSP changes and Account Management.Experience designing and implements Plans of Action and Milestones (POAM) to remediate findings from vulnerability and risk assessments.Experience reviewing, preparing, and updating ATO packages in accordance with NIST Risk Management Framework and customer policy, procedures, and guidelines.Clearance Requirements: Must have a current/active TS/SCI w/ Polygraph.Must be a US CitizenPhysical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk. The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.6.26.BP.SH.AB.AL.23