**ManTech** is currently seeking a skilled **Senior Software Engineer** to join our team located in the **Ft. Meade, MD** area. As a member of our team, you will provide assistance to our esteemed customer. The Software Engineer will be responsible for developing, maintaining, and improving intricate software systems in accordance with specified requirements. **Responsibilities:** + The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. + Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. + Utilizes software development and software design methodologies appropriate to the  development environment. + Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components. **Minimum Requirements:** + JavaScript, HTML, Script Includes, Custom Scripts, and CSS (ex Customer Entry Portals) + ServiceNow Web Services (ex REST) with the ability to integrate external source systems into ServiceNow + Server Linux O/S Administration/Maintenance. Have the ability to perform platform upgrades/patch application + DevOps scripting tools + Bachelor's degree in Computer Science or related discipline from an accredited college or university is required. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree. **Preferred Requirements:** + Experience with jQuery, AngularJS, JSON, and Jelly + Advanced skills such as workflow automation and custom application development + Experience with design and implementations of ServiceNow integrations and interfaces with 3rd party applications and data sources using extensible markup language (XML), Email web services, JAVA DB connectivity, LDAP, REST, ODBC, MariaDB, and Excel + Ability to troubleshoot system and responsible for Tier(s) 1-3 + Have the ability to quickly learn new processes, systems and integrations with ServiceNow + Ability to create and configure business rules, UI policies/actions, client/server-side scripts, script includes, and ACLs + Use of SCRUM/Agile Board 2.0 development methodologies + Able to work with team development policies to migrate data to update production systems + Ability to contribute to the coordination of application and platform upgrades. Monitor the health, usage, and overall compliance of ServiceNow and applications + Write clear, concise, and accurate technical documentation: Requirements, S + System Design, CONOPS, Use Case diagrams, and topology diagrams **Security Clearance Requirements:** + Current/Active TS/SCI with Polygraph ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.