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**ManTech** seeks a motivated, career and customer-oriented **Senior Software Developer, Systems Software** to join our team in the **Stennis, MS area** .

In this role you will research, design, develop, and test operating systems-level software, compilers, and network distribution software. You will set operational specifications and formulates and analyzes software requirements. You might also design embedded systems software. This role will allow you to apply the principles and techniques of computer science, engineering, and mathematical analysis to improve enterprise information security and resilience.

Responsibilities include, but are not limited to:

+ Leads and performs systems software development that will operate in the Department of Homeland Security (DHS) enterprise network and on DHS devices.

+ Collaborates with customers and stakeholders to identify requirements, design systems software, develop updates to existing applications, and build in cyber security to reduce the attack surface

+ Coordinates and collaborates with technical teams providing advice, staying abreast of technical solutions, and provide necessary systems software to support the DHS customer mission

+ Develop and utilize continuous integration/continuous deployment (CI/CD) processes for repeatable and automated testing, analysis, and deployment into the DHS enterprise

+ Develops and maintains diagrams, documentation, and other artifacts that support software use, maintenance, troubleshooting, and operations

+ Uses software development best practices for code documentation, development, refactoring, and other core functions to facilitate ease of use and reuse by other software developers, quality assurance evaluators, and software audits

+ Analyze, review, recommend changes as appropriate for processes to keep application, technology platforms, and processes efficient and aligned with mission, laws, regulations, and policies

Minimum Qualifications:

+ Bachelor’s Degree in Computer Science, Software Engineering, Computer Engineering or similar field

+ 10+ years of related experience

+ Knowledge of various software programming languages, i.e. Python, Java, C++, Cobol, etc

+ Hands-on experience developing, updating, and integrating software applications into a federal government enterprise network

+ Understanding and experience with primary network topologies, LANs, WANs and other common network standards; strong understanding of network protocols and technologies, including TCP/IP, DNS, DHCP, and QoS, MPLS; Very strong knowledge of routing protocols (e.g., BGP, EIGRP, OSPF) and network protocols (e.g., TCP/IP, GRE, IPSEC, and VRF)

+ IAM III/IAT III

Preferred Qualifications:

+ One of the following certifications: Certified Business Analysis Professional (CBAP), Agile Certified Practitioner (PMI-ACP), Certified Data Management Pr5ofessional (CDMP), Six Sigma Certification, ITIL4

+ ServiceNow Certification

+ Understanding of ITIL4 principles

Clearance Requirements:

+ Must be a US Citizen with the ability to obtain and maintain a Secret level clearance.

+ The ability to obtain and maintain a DHS EOD suitability is required prior to starting this position.

Physical Requirements:

+ Must be able to remain in a stationary position 50%

+ Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer

+ The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

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 [email protected] and provide your name and contact information.