Sr. NMS Software Designer

Location: Chantilly, VA

Time Type: Full time

Job Description

Leidos has an opening for an Sr. NMS Software Designer: To support a key program in Leidos’ National Security business segment. The Sr. IT Software Designer will provide expert knowledge of network management systems, operating systems, commercial software, government software, and full integration of toolsets and servers. This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

• Oversee and guide team members in the deployment, administration, development, and integration of the suite of tools on RHEL and Windows operating systems, while facilitating collaboration with database developers on database requirements.
• Lead the team in utilizing Agile, Scrum, and SDLC methodologies to coordinate, track, and deliver projects efficiently, fostering a culture of continuous improvement and accountability.
• Coordinate closely with Project Managers and Technical Leads, ensuring clear communication of team progress, risks, and technical challenges.
• Direct integration efforts with Cisco Network Services Orchestrator, COTS, and other enterprise tools, assigning integration tasks and ensuring successful outcomes.
• Oversee the creation and maintenance of technical documentation by the team, ensuring accuracy and completeness for operations users and providing user handoff training as needed.
• Monitor the team’s efforts to maintain IT system and application performance/availability while responding proactively to emerging issues.
• Lead the team in hardening and securing systems, supporting Risk Management Framework (RMF) authorization and accreditation (A&A) efforts, and ensuring all engineered solutions are compliant.
• Guide the automation and orchestration of deployment activities using modern tools and methods (Ansible, Python, Terraform, PowerShell), and mentor the team in best practices for testing, validation, and verification.
• Manage the troubleshooting, diagnosis, and resolution of complex system and service issues, overseeing Root Cause Analysis (RCA) and driving continuous improvement.
• Direct system performance analysis and tuning activities, ensuring solutions are efficiently configured and optimized by the team.
• Lead engineering projects and technical processes through the Systems Development Life Cycle (SDLC), ensuring the team meets deliverables, achieves positive outcomes, and stays within scope and budget.
• Oversee the delivery of well-developed and engineered solutions as deployable packages, ensuring Operations teams can transition solutions to production environments with minimal manual intervention and high success rates.

Requirements

• Required Clearance at the time of application: TS/SCI with poly
• Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a doctorate and 8 years of experience OR a master’s and 10 years OR a bachelor’s and 12 years OR an associate’s and 14 years OR HS and 16 years.
• Must meet Information Assurance Technical (IAT) Level 2 certification (CompTIA Security+) requirements. Additional requirements include:
• Must have at least 5 years of relevant experience that can be a combination of work history, education, and training.
• Must have Certification: Certified System Administrator.
• Must have at least one other advanced certification.
• Demonstrated experience developing and scripting within using languages such as JavaScript, as well as integrating with external systems using Java, Python, Perl, or PowerShell.
• Team Leadership experience.
• Advanced system architecture, design, and integration.
• The candidate must be highly motivated. Able to work independently with both local and geographically diverse team members. Using effective time management skills to meet deliverable timelines.
• The candidate must also have experience working within concept, design, engineering, production, and sustainment phases of system development lifecycle.
• Experience with at least one of (Agile, Scrum, SDLC).
• Must be able to work with minimal supervision to perform complex technical tasks and lead others effectively.
• Must be able to process and analyze information and trouble calls submitted by a customer (e.g., system administrator, developer, security specialist), make determinations, and provide and implement solutions. 
• Proven experience automating the implementation and configuration of technologies to support large scale enterprise solution deployments and configuration management efforts.
• Hands-on experience with developing, evaluating, assessing, and refining automated testing, validation, and verifications methods.
• Exceptional organizational skills, including attention to detail, multitasking and critical thinking skills.
• Skilled in working within a team environment within a professional office setting.
• Experience innovating in a collaborative environment.
• Skilled in the ability to focus study and research to rapidly solve specific problems.
• Excellent self-study to achieve advanced training as required by the team and the program.
• Thrive within a highly dynamic and changing environment while adapting and managing shifting customer priorities.
• Strong internal and client-facing communication skills, backed by clear technical documentation and professional verbal delivery
• Strong foundational understanding of RDBMS (MySQL/MariaDB/RaptorDB) and SQL to collaborate effectively with Enterprise DBAs on schema design, custom indexing, data archiving, and platform performance tuning.
• Required Cross platform and integration experience including Windows, Linux, Juniper, and Cisco
• Experience working with Microsoft Office products: Word, Excel, PowerPoint, and Outlook.
• CompTIA Network+ or network background equivalent is desired

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

October 22, 2026

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.