ManTech seeks a motivated, career and customer-orientedCNO SoftwareEngineer to join our team in Hanover, Maryland.As a CNO Software Engineer on our team, you will provide specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Develop and code in Python, Java and XML, ensuring software standards are met.Perform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Research requirements for a product, including CNO deployment environment, performance criteria, and competitive issues.Design ideas for new capabilities or recommendations for improvements to existing capabilities.Determine computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Debug and troubleshoot software, modifying existing software to correct errors, to adapt to new requirements, or to improve performance.Perform quality control on team products.Coordinate and perform software deployments for developed products.Minimum Qualifications:Bachelor’s degree in computer science or related technical field and 7+ years of programming experience or High School Diploma and 11+ years of programming experienceExperience with Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignKnowledge Software Version ControlKnowledge of CNO environmentKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesExperience with Subversion/GITKnowledge of agile software development methodologyKnowledge of Atlassian Tools, such as Confluence, Jira, Bamboo, Crucible or similarSecurity Clearance Requirements:Must have an active/current TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time

Type of Requisition:PipelineClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Software EngineeringJob Qualifications:Skills:Embedded Systems, Operating Systems (OS), Software SystemsCertifications:NoneExperience:0 + years of related experienceUS Citizenship Required:YesJob Description:Designs, develops, tests and evaluates electrical, mechanical, and/or computer components, equipment and systems. Provides innovativemethods and technical solutions using the engineering design process. Plans implementation of enhancements.GDIT JOB DESCRIPTION:Performs advanced engineering work concerned with the design, evaluation, planning, testing and operation of electrical, electronic,mechanical, and/or computer components, equipment and systems for commercial, government, military and/or scientific uses.Analyzes customer requirements and develops technical solutions to complex problems.Maintains equipment and/or systems integrity while ensuring compliance with policies.Coordinates the acquisition of hardware and software as well as subcontractor services as needed.With your proficiency in grasping and applying new information quickly, the Embedded Engineer will be proficient in C/C++, and comfortablereading/writing of assembler, as well as understanding of, but not limited to Linux and VxWorks real time operating systems. you'll beinvolved in Protocol Analysis, Vulnerability Assessment, Security Research, Rapid Prototyping of proof of concept capabilities. it's yourchance to step up to the challenge and prove you're ready to lead the world.What you'll experience:- Technologies that aren't just top-notch, they're often top-secret- A team of bold thinkers committed to exploring what's next- Opportunities to gain new knowledge - as it's discoveredWhat you bring to the table:- Bachelor's Degree in Electrical Engineering or Computer Science or Computer Engineering or Mathematics. Four (4) years of equivalentrelated military experience may be substituted for the Bachelor degree.- orMaster of Computer Science or Computer Engineering- Fully proficient knowledge of operating system fundamentals (interrupts, threading, virtual memory, device drivers) and internals (memorylayouts and management, binary file formats)- Fully proficient knowledge in low-level programming of device drivers in a Unix, Linux, or Windows environment- Experience in Reverse Engineering tools, both COTS and GOTS is a plusWhat sets you apart:- Creative thinking with the ability to multi-task- Consistently displays high performance attributes- Team player who thrives in collaborative environments and revels in team success12+ Years of experience (or 8+ with Relevant Masters Degree) in three (3) or more of the following:- System Requirements Analysis- Software System Design- Software System Development- Software System Integration- Software System Testing8+ Years of Experience in four (4) or more of the following:- Developing embedded software systems in assembly C, C++, or Java- Developing embedded software systems for Unix, Linux, Windows, VxWorks, JunOS, or vendor-proprietary operating systems- Experience with operating system internals for Unix, Linux, Windows, VxWorks, JunOS, or vendor-proprietary operating systems- Reverse engineering and analysis of software- Low-level programming of device drivers in a Unix, Linux, or Windows environment- Bit-level data analysis- Systems engineering of large scale embedded systems#SWDevPolyMD#GDPolyThe likely salary range for this position is $191,404 - $258,958. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours:40Travel Required:Less than 10%Telecommuting Options:OnsiteWork Location:USA MD HanoverAdditional Work Locations:Total Rewards at GDIT:Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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.