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 Cyber Threat Hunt Analyst to join our Cyber Security Operations Center (CSOC) in McLean, VA. The ideal candidate will have a deep understanding of cyber threat hunting, advanced persistent threats (APTs), and the latest tactics, techniques, and procedures (TTPs) used by adversaries. Join ManTech and play a vital role in our nation’s security by helping to enhance our security posture. Responsibilities include but are not limited to:Conduct threat hunting activities to detect advanced threats that evade traditional security solutions and continuously monitor and analyze threat intelligence sources to stay informed about emerging threats.Search for signs of malicious activity in our network and systems. Develop and implement new and innovative threat detection techniques and strategies.Analyze large datasets to identify patterns and anomalies indicative of malicious activities.Collaborate with other CSOC team members and stakeholders to respond to and investigate security incidents. Provide detailed reports and briefings on threat hunting activities and findings to senior management.Develop and maintain threat hunting playbooks, processes, and procedures.Perform in-depth forensic analysis to understand the nature and impact of threats.Participate in the development and refinement of security monitoring and incident response tools and processes.Minimum Qualifications:High School Diploma and 2+ years of experience in cyber threat hunting, incident response, or a related cybersecurity fieldExperience working with network protocols, operating systems, and security architecturesExperience using threat hunting and forensic tools.Preferred Qualifications:Bachelor's degreeRelevant certifications such as GCIH, GCFA, GNFA, or equivalentExperience with scripting and programming languages such as Python, PowerShell or similarKnowledge of machine learning and data analytics techniques as they apply to threat huntingFamiliarity with cloud security and threat hunting in cloud environments.Understanding of regulatory and compliance requirements related to cybersecurity (e.g., GDPR, HIPAA).Clearance Requirement:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:must be able to remain in stationary position at least 50% of the timeSKN.7.23

ManTechseeks a motivated, career and customer-orientedEnterprise IT Support Officer (EITSO) – Dedicated Support to join our team inMcLean, VA. In this role, you will deliver concierge-level IT support to VIP and Executive-level staff, ensuring the highest standards of service, confidentiality, and responsiveness.Responsibilities include, but are not limited to:Provide high-touch, ITIL-based support to VIP staff by efficiently managing the full lifecycle of incidents and service requests, including independent troubleshooting and resolution of complex technical issues without Tier 3 escalation.Deliver remote and onsite desktop support using secure tools for system repair, configuration, and optimization.Maintain and update service records, ticketing systems, and access administration logs to ensure accuracy and compliance.Provide technical support for sensitive applications, and handle confidential data with integrity and discretion.Manage access rights and account administration for enterprise applications, databases, and secure systems, while supporting access requests, virus scanning, data transfers, and standalone devices, printers, and peripherals in compliance with security protocols.Support collaboration tools and VTC systems such as Microsoft Teams, WebEx, and mobile devices for executive communications.Supporting all facets of installations, which includes the physical placement of which includes the physical placement of desktop IT equipment to include printers, CAT5 and fiber optic cable, rack mounted network equipment, switches, workstations, and communications equipment as required.Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. Occasional after hours, on call, and weekend support when required.Minimum Qualifications:Bachelor’s Degree and 4+ years of experiences, or a combination of education and work experience equivalent to 8+ years. Minimum 4 years’ experience required supporting customer IT installations.Component Mission Administrator (CMA) Certification or Directorate Mission Administrator (DMA) Certification.Resolving technical problems and answering queries by telephone or self-service that involve computer hardware, software, network, system/application access, and telecommunications systems.Knowledge of Windows Active Directory, multiple desktop programs, configuration and debugging techniques.Experience providing technical support for Windows 10, Microsoft Office 2016 or later, multiple internet browsers, and standard business applications used within a business environment.Familiarity with TCP/IP, general networking issues, virus scanning services (desktop, stand-alone and laptop computing services), servers, printers, peripheral devices, installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.Preferred Qualifications:Related work experience in a technical help desk position, refreshing of IT equipment, providing deskside IT support and installation of IT hardware, networks, VoIP phones, and/or audio/video equipment.Special non-commercial systems administrator experience (access management/file transfer).Strong communication skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Clearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTechseeks a motivated, career and customer-orientedEnterprise IT Support Officer (EITSO) - Location Support Center (LSC) to join our team inMcLean, VA. In this role, you will provide technical support and customer service to the customers users of computer applications and hardware (e.g., PCs, servers, mainframes).Responsibilities include, but are not limited to:Using ITIL-based processes to streamline the ingestion, triage, categorization, action, and resolution for incoming incidents, requests, and demands.Analyzing, troubleshooting, designing, and implementing fixes.Performing remote desktop triage and system repair using remote tools.Answering questions regarding system procedures, online transactions, systems status, and downtime procedures.Supporting all facets of installations, which includes the physical placement of desktop IT equipment to include printers, CAT5 and fiber optic cable, rack mounted network equipment, switches, workstations, and communications equipment as required.Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. Minimum Qualifications:Bachelor’s Degree and 1+ years of experiences, or a combination of education and work experience equivalent to 5+ years. Minimum 1 years’ experience required supporting customer IT installations.Resolving technical problems and answering queries by telephone or self-service that involve computer hardware, software, network, system/application access, and telecommunications systems.Knowledge of Windows Active Directory, multiple desktop programs, configuration and debugging techniques.Experience providing technical support for Windows 10, Microsoft Office 2016 or later, multiple internet browsers, and standard business applications used within a business environment.Familiarity with TCP/IP, general networking issues, virus scanning services (desktop, stand-alone and laptop computing services), servers, printers, peripheral devices, installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.Preferred Qualifications:Related work experience in a technical help desk position, refreshing of IT equipment, providing deskside IT support and installation of IT hardware, networks, VoIP phones, and/or audio/video equipment.Component Mission Administrator (CMA) Certification.Special non-commercial systems administrator experience (access management/file transfer)Strong communication skills due to variety of groups to be working with, such as co-workers, management, and customers; must be able to exchange accurate information. Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Clearance Requirements:Must have a current/active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTechseeks a motivated, career and customer-oriented Enterprise IT Support Officers (EITSO) – Phone Tech to join our team inMcLean, VA. In this role you are responsible for the installation, maintenance, and support of telecommunications systems, including VoIP and legacy phone systems.Responsibilities include, but are not limited to: Supporting all facets of phone installations and troubleshooting a variety of telephones.Installing, pulling, terminating, and dressing cabling appropriately according to industry and Sponsor standards.Troubleshoot and repair faulty connections, dropped calls, or hardware issuesConfigure call routing, voicemail, extensions, and phone features.Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. with flexibility to support 24x7 operations; may need to work extended hours during critical peaks and be available to meet last minute requests.Minimum Qualifications:Bachelor’s Degree and 2+ years of experiences, or a combination of education and work experience equivalent to 6+ years.Excellent knowledge of various cabling methodologies, industry standards, troubleshooting techniques, and reading/understanding cable run lists.Experience with installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.Experience resolving technical problems and answering queries by that involve computer hardware, network, and telecommunications systems.Preferred Qualifications: Related work experience in IT hardware and cabling installation.Experience with implementation on the Sponsor's network LAN infrastructure.Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Clearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements: Must be able to remain in a stationary position at least 25% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices majority of the time, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTechseeks a motivated, career and customer-oriented Enterprise IT Support Officers (EITSO) – Complex Projects Network Installer to join our team inMcLean, VA. In this role, serve on a team of IT support professionals responsible for installing network equipment while providing a productive and collaborative computer workspace (new or renovated) to support dynamic mission requirements.Responsibilities include, but are not limited to: Supporting all facets of network installations, which includes the physical placement of CAT5 and fiber optic cable, wall jacks, racks, and communications equipment as required.Installing, pulling and terminating cable, determining and implementing required pin outs, cards power supplies, testing and documenting installations, dressing and labeling cables, racks, patch panels, etc.Supporting projects that include cabling and implementation in accordance with design documents and build-to packages.Local travel may be required between customer buildings or temporary assignment to an alternate location in support of special projects.Member of a team comprised of a variety of skills that provide coverage from 6:00 a.m. – 6:00 p.m. with flexibility to support 24x7 operations; may need to work extended hours during critical peaks and be available to meet last minute requests.Minimum Qualifications:Bachelor’s Degree and 4+ years of experiences, or a combination of education and work experience equivalent to 8+ years.Excellent knowledge of various cabling methodologies, industry standards, troubleshooting techniques, and reading/understanding cable run lists.Experience with installing endpoints including but not limited to desktop IT equipment, printers, VOIP and digital phones, network switches.Experience resolving technical problems and answering queries by that involve computer hardware, network, and telecommunications systems.Preferred Qualifications: Related work experience in IT hardware and cabling installation.Experience with implementation on the Sponsor's network LAN infrastructure.Ability to adapt to quickly changing tasks and requirements and the ability to quickly learn new skills while on the job.Clearance Requirements:Must have a current/active TS/SCI with Polygraph.Physical Requirements: Must be able to remain in a stationary position at least 25% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.Must be able to move/traverse within and between buildings and offices majority of the time, position self to maintain equipment and cabling, including under the desks, while moving floor tiles, and in server closets, some of which may be confined spaces.Must be able to move Audio/Visual or Computer equipment weighing 50+ pounds, some equipment may require team-lift or the use of carts. Ascends/descends a ladder, 10+ feet high while pulling cables and adjusting equipment.

ManTech seeks a motivated, career and customer-orientedJunior Software Developer to join our team inMcLean, VA. In this role, you will be an experienced Linux and Ruby on Rails Developer with a strong background in Telephony Engineering to serve on a Dedicated Support Team of Network Telephony Installers supporting the Voice Program Recap Office (VPRO). You will leverage your expertise in Linux systems, Ruby programming, Ruby on Rails, and telephony systems to design, develop, and maintain voice media gateways that integrate with telephony infrastructure.Responsibilities include, but are not limited to:Design, implement, and maintain web applications using Ruby and Ruby on Rails.Work on integrating telephony systems (e.g., VoIP, analog, ISDN) along with voice media gateways and associated service modules.Manage and configure Linux servers (Ubuntu, CentOS, etc.) for hosting applications, ensuring performance, stability, and security.Develop and Test on Linux based servers. Must be capable of developing and installing PowerBuilder based programs and Korn shell-based servers.Troubleshoot, configure, and optimize telephony software.Work independently developing and testing servers.Monitor server performance, troubleshoot issues, and optimize systems for scalability and reliability.Maintain clear technical documentation for telephony integration and deployment processes.Minimum Qualifications: BA/BS and 2 years of experience, or a combination of education and work experience equivalent to 6 years.Strong experience with Ruby programming and understanding of the Ruby on Rails framework, or the ability to learn Ruby with strong experience with Python with Django or Flask.Strong verbal and written communication skills to interact effectively with cross-functional teams.Experience editing, updating, and modernizing legacy code.Preferred Qualifications:Experience integrating telephony systems with web applications (e.g., handling inbound/outbound calls, IVR, call routing).Knowledge of security best practices for telephony, server administration, and web applications.Knowledge and hands on experience with telephony systems and Linux server management, including installation, configuration, troubleshooting, and performance optimization.Qualified in Oracle Database Administrator.Experience provisioning telephony services.Clearance Requirements:Must have a current/active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position at least 50% of the time. Constantly operate a computer, phone, and other office equipment for extended periods of time.

ManTech seeks a motivated, career and customer-oriented CNO Python Software Developer to join our team in Hanover, Maryland.As a CNO Python Developer on our team, you will design and develop new bleeding edge software. Help protect our national security by leveraging your knowledge in programming and coding with Python to solve difficult problems and design new or improved solutions.Responsibilities include, but are not limited to:Provide specialized testing and evaluation capabilities tailored to system functionsPerform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a systemResearch requirements for a product, including CNO deployment environment, performance criteria, and competitive issuesDetermine computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programmingDebug and troubleshoot software, modify existing software to correct errors, to adapt to new requirements, or to improve performance and perform quality control on team productsCoordinate and perform software deployments for developed productsWork with the entire Software Development LifecycleMinimum Qualifications:Bachelor’s Degree in Computer Science or related technical field from an accredited college or University and 2 +years of programming experience, or High School Diploma and 6+ years of programming experienceExperience with Python and Python Task AutomationExperience with Object Oriented Analysis and DesignExperience with Software Version ControlAbility to demonstrate knowledge of JSON and YAMLPreferred Qualifications:Experience with SQL and NoSQL databasesExperience with subversion/GITExperience with Atlassian Tools like Confluence, Jira, Crucible or similarExperience with troubleshooting and debugging software, software analysis and reverse engineeringExperience Unit TestingExperience with networking (TCP/IP) and socket level programmingExperience in CNO environmentExperience with software development methodologies such as Agile, Scrum, TDD, Waterfall or similarClearance Requirements:Must have a current/active TS/SCI with polygraph clearancePhysical 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 CNO Software Developer to join our team in Hanover, MD.Responsibilities include, but are not limited to:Design and develop new hardware or software based CNO capabilities.Assist with designing, developing, documenting, testing, and debugging of applications software and systems.Apply knowledge of security concepts and networks.Ensure software standards are met.Minimum Qualifications:Bachelor's degree in Computer Science or similar technical field or High School Diploma and 4+ years of relevant experienceExperience programming in Python and C/C++Experience with troubleshooting and debuggingExperience with networking (TCP/IP) and socket level programmingPreferred Qualifications:Experience with CNO developmentExperience with Software Analysis or Reverse EngineeringExperience with assembly programming concepts.Experience with Unit TestingExperience using Atlassian products like JIRA, Confluence, Crucible or similarSecurity Clearance Requirements:Active/current TS/SCI with polygraphPhysical Requirements:Ability to remain stationary up to 50% of the time

ManTech is seeking a motivated, career and customer-oriented ExpertCNO Software Developer to join our team in Hanover, MD. As a valued member of our organization, you will play a pivotal role in developing advanced cyber capabilities while delivering exceptional service to our clients.Responsibilities include, but are not limited to:Design and develop new hardware or software based CNO capabilities.Manage the designing, developing, documenting, testing, and debugging of applications software and systems.Apply expert knowledge of security concepts and networks.Communicate status with leadership and customers.Ensure software standards are met.Minimum Qualifications:Bachelor's degree and 8+ years of relevant experience, OR 10+ years of relevant experience if no degree.Proficiency in Python and C/C++ programming.Troubleshooting / debugging experience.Proficiency in low-level internals in one or more technology areas (e.g. Windows, Unix, Mobile, Network devices).Proficiency with networking (TCP/IP) and socket level programming.CNO capability development experience.Preferred Qualifications:Software Analysis/Reverse Engineering experience.Understand assembly programming concepts.Unit Test experience.Experience using Atlassian products (JIRA, Confluence, Crucible)Experience managing/leading teamsSecurity Clearance Requirements:Active, current TS/SCI with Polygraph is required.Physical Requirements:Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.Regular communication with co-workers, management, and customers.

ManTech is seeking a motivated, career and customer oriented LeadCNO Developer to join our team in Hanover, MD.Responsibilities include, but are not limited to:Design and develop new hardware or software based CNO capabilities.Independently contribute to the designing, developing, documenting, testing, and debugging of applications software and systems.Apply senior level knowledge of security concepts and networks.Provide guidance to other CNO developers on the team.Ensure software standards are met.Our amazing benefits include:Enhanced health benefit package – Apply for more informationManTech HSA contribution25 days PTO plus 10 holidaysPTO sellbackPTO carryover of up to 240 hoursUp to 8% 401k matchUp to 4 weeks parental leaveEligibility for annual program bonusTraining and conference opportunities including the industry’s leading cyber courses (ACTP)Tuition assistance (selected BS/MS programs are fully paid)Free snacks and monthly social eventsVery flexible schedule with compensation or flex hours for extra time workedMinimum Qualifications:Bachelor's degree or equivalent and 6+ years of relevant experience, or 8+ years of relevant experience.Proficiency in Python and C/C++ programming.Troubleshooting / debugging experience.Proficiency with networking (TCP/IP) and socket level programming.CNO capability development experience.Preferred Qualifications:Software Analysis/Reverse Engineering experience.Understand assembly programming concepts.Experience in low-level internals in one or more technology areas (e.g. Windows, Unix, Mobile, Network devices).Unit Test experience.Experience using Atlassian products (JIRA, Confluence, Crucible)Ability to handle stress and work well under pressure.Analytical and Critical Thinking Skills.Experience managing/leading teamsSecurity Clearance Requirements:Active, current TS/SCI with Full Scope Polygraph is required.Physical Requirements:Ability to remain stationary for extended periods (50% of the time) and operate computer equipment and office machinery.Regular communication with co-workers, management, and customers.

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.