ManTechseeks a motivated, career and customer-orientedEnterprise IT Support Officer (EITSO) – Equipment and Telephony Installer to join our team inHerndon, VA. In this role, you support a Dedicated Support Team supporting the Voice Program Recap Office (VPRO) installing network equipment, telephones (VoIP, analog, ISDN), voice media gateways and associated service modules.Responsibilities include, but are not limited to:Performing high quality installations and troubleshooting a variety of telephones, running and terminating cables to voice switch equipment.Dressing cabling appropriately according to industry and Sponsor standards.Mounting voice and network equipment in racks, running and connecting both power and service cabling as appropriate.Performing surveys as necessary to collect or validate information for the engineering or VSIT personnel.Local travel will be required between customer buildings.Minimum Qualifications:BA/BS and 7+ years of experiences, or a combination of education and work experience equivalent to 11+ years.Minimum 10 years of experience with implementation of the following infrastructure networks:Sponsor's classified LAN infrastructure (including scripting, configuration, cutover and troubleshooting)Sponsor's unclassified LAN infrastructure (including scripting, configuration, cutover and troubleshooting).Minimum 10 years of experience installing and troubleshooting telephone instruments and media gateways on the Sponsors classified and unclassified networks.Experience in a variety of cabling areas including 110 type cross connections, RJ45 patch panels, wire wrap terminals, copper cable terminations, DSX Panel T-1 cabling, fiber terminations.Excellent knowledge of various cabling methodologies, industry standards, troubleshooting techniques, and reading/understanding cable run lists.Preferred Qualifications:Experience with implementation on the Sponsor's new unclassified network LAN infrastructure.Special non-commercial systems administrator experience (access management/file transfer)VoIP Telephone Installation experience.Related work experience in IT hardware and cabling installation.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 or more, 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-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.