MANTECH seeks a motivated, career and customer-oriented Cloud Engineer to join our team onsite in Herndon, VA or Reston, VA to support the development and subsequent sustainment of our Cloud environments and Modern Data Platform.You will be part of a greater team to manage, maintain, and optimize our Cloud infrastructure in support of a high-priority mission at one of our National Intelligence Customers. In this role, you will focus on reliability, performance, and security as part of the day-to-day execution of tasks.Responsibilities include but are not limited to:Design & Deploy: Architect and deploy scalable and secure solutions onOracle Cloud Infrastructure (OCI)Automation & Optimization: ImplementInfrastructure as Codeusing Terraform or Ansible to automate Cloud provisioningNetworking & Security: ConfigureVCNs, subnets, load balancers, and security listsfor cloud applicationsMonitoring & Performance Tuning: Use monitoring tools to optimize Cloud resources and troubleshoot performance bottlenecksDisaster Recovery & High Availability: Designbackup, replication, and failoverstrategies for critical workloadsCloud Cost Optimization: Monitor resource utilization and implementcost-saving strategiesto optimize OCI spendingCompliance & Security: Ensure compliance with industry security standards (NIST 800-53) and implement best practices forIAM policies and access controlsMinimum Qualifications:1+ yearsof hands-on experience with a Cloud Service Provider (CSP) orOracle Cloud Infrastructure (OCI)Bachelor’s degree in a relevant field OR additional equivalent work experienceExperience with infrastructure as code (e.g. Terraform, chef, puppet, Ansible) and with Agile methodologyExperience with configuration management with code repositories, such as Github, and in administration within DevOps and CI/CD pipelinesExperience managing resources, tenancy limits, and quotasExperience with Cloud networking and troubleshooting performance technical issues across Cloud architectureFamiliar with data security protocols and monitoring tools such as CloudWatch and SplunkPreferred Qualifications:RedHat Linux Administration certificationOracle Cloud Certifications(e.g., Oracle Cloud Infrastructure Architect Associate/Professional)Experience with other Cloud environments (AWS, Azure, GCP, OCI) and hybrid Cloud solutionsClearance Requirements:Must have active TS/SCI with 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, officemachinery, etc.Frequently communicates with co-workers, management, and customers, which mayinvolve delivering presentations. Must be able to exchange accurate information inthese situations

MANTECH seeks a motivated, career and customer-oriented Cyber Security Analyst to join our team onsite in Herndon, VA or Reston, VA in support of a high-priority mission at one of our National Intelligence Customers.Responsibilities include but are not limited to:Responsible for supporting the acceptance of an Authorization to Operate (ATO) for the new Modern Data Platform (MDP) transformationSupport the documenting and navigating the customer’s accreditation process for ATOWork closely with Security Engineers to ensure security solutions are meeting customer accreditation requirements and following security controlsWill use RMF (Risk Management Framework) NIST 800-53, NISPOM, and ICDs for cybersecurity and information security protocols to drive tasking and ensure complianceISSE/ISSO tasking in support of documenting and navigating the customer’s accreditation process for ATOMinimum Qualifications:Bachelor’s degree in a related field OR additional equivalent work experience5+ years of experience relevant to this positionExperience with Software Development Lifecycle, application security, Cloud principles and engineeringExpert in System Accreditation process and protocols within the Intelligence CommunityExperience with NIST 800-53 and implementing Risk Management FrameworkUnderstanding of vulnerability assessment tools like Rapid7 or NessusKnowledge of User Access Monitoring and Identity Access ManagementExperience creating and reviewing system design documents and workflowsPreferred Qualifications:Experience with Terraform, SIEM and AI/ML GovernanceKnowledge of cross-domain solutions, Zero Trust, and/or IDP (Identity Provider) integration skillsDoD 8570-compliant certification (e.g., Security+, CYSA+, CEH, or CISSP)Experience with security tools such as Splunk, 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 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 Python Software Engineer in Herndon, VA. In this role, you will be responsible for making cyber-relevant data accessible, usable, and secure for analysts and mission stakeholders. You will support efforts to build and maintain data pipelines that convert raw cybersecurity data into structured formats optimized for analysis and support the development, transformation, and availability of large-scale datasets.Responsibilities include, but are not limited to:Developing, testing, and maintaining high-quality production-level software using Python and bash scriptingAnalyzing datasets, generating data dictionaries, and defining field transformationsParticipating in code reviews, identifying areas for improvement, and implementing practical solutionsIngesting, querying, and reviewing data using Elasticsearch and KibanaCollaborating with cross-functional teams to diagnose, debug and resolve data parsing and production issuesCreating large-scale data pipelines with high throughputStaying up to date with emerging trends and technologies, especially those pertaining to Python developmentMinimum Qualifications:Bachelor's degree in Computer Science or a related field and 3+ years of programming experience or High School Diploma and 7+ years of experienceExperience using Python to build command line applications, maintain shared code libraries, and manipulate data formats like JSON, JSONLines, CSV, XML or similarExperience in Git and GitHub workflows, including branching, pull requests, code reviews, merges, and conflict resolutionExperience with Bash and working with compressed filesExperience ingesting data for Elasticsearch, Lucene, Solr, or similar search enginesAbility to perform software installation, configuration, shell scripting, and troubleshooting in LinuxAbility to interface programmatically with AWS services like S3 or EC2 using PythonClearance Requirements: Must have an active/Current TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. The Security Engineer will 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 in Cybersecurity, Computer Science, Information Systems, or a related field or Hgh School Diploma with an additional 4+ years of experience in a related fireld.7+ years of experience in cybersecurity or related IT security roles.Experience with NIST Risk Management Framework (RMF), FedRAMP, or DoD Cybersecurity Maturity Model Certification (CMMC).Hands-on experience working in air-gapped cloud environments.Knowledge of system/network security principles and incident response practices.Experience supporting the Intelligence Community.Preferred 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 baselining.Hands-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 operations.Clearance Requirements:Must hold an active TS/SCI with 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, officemachinery, etc.Frequently communicates with co-workers, management, and customers, which mayinvolve delivering presentations. Must be able to exchange accurate information inthese situations.