Job description

Leidos has an opening for an Sr. NMS ServiceNow Software Designer: To support a key program in Leidos’ National Security business segment. The Sr. NMS 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. Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate with database developers on database connectivity, schema, and performance requirements. Work within Agile/Scrum and SDLC processes to plan, build, test, and deliver ServiceNow features; participate in stand-ups, sprint planning, reviews, and retrospectives. Collaborate with Project Managers and Technical Leads to communicate status, risks, and technical challenges; provide estimates and technical inputs. Design and implement integrations between ServiceNow, Cisco Network Services Orchestrator (NSO), GOTS, and other enterprise tools using REST/SOAP APIs, IntegrationHub, and MID Server. Create and maintain technical documentation (design specs, runbooks, user guides) and support user handoff training when required. Monitor application performance and availability; build dashboards/alerts and proactively remediate issues. Implement security hardening and compliance controls; support RMF authorization and accreditation (A&A) by producing artifacts, remediating findings, and applying DISA STIG/SCAP benchmarks and customer-specific requirements. Support the automation of ServiceNow deployments and related tasks by contributing to the development of scripts using Ansible, Python, Terraform, and PowerShell; assist in creating test, validation, and verification scripts. Troubleshoot and resolve complex system and service issues; perform and document Root Cause Analysis (RCA) and implement corrective actions. Conduct system performance analysis and tuning to optimize configurations and throughput. Execute engineering tasks across the SDLC, adhering to change/release processes and delivering within scope and schedule. Package and deliver well-engineered solutions for Operations to deploy to production with minimal manual steps and a high success rate. Perform additional duties as assigned in a dynamic environment to support evolving business and technical requirements. Requirements Required Clearance at the time of application: TS/SCI with poly Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years or HS diploma and 10 years. Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2 (CompTIA Security ). 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. Must have at least 1 year of relevant ServiceNow experience that can be a combination of work history, education, and training. Relevant experience would include developing and scripting within ServiceNow using languages such as JavaScript, as well as integrating ServiceNow with external systems using Java, Python, Perl or PowerShell. The candidate must also have experience working within concept, design, engineering, production, and sustainment phases of ServiceNow 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 work with 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. Strong communication skills for working effectively with clients and team members. Strong organizational skills, including attention to detail, multitasking and critical thinking skills Skilled in working within a team environment within a professional office setting. Thrive within a highly dynamic and changing environment while adapting and managing shifting customer priorities. Strong written and verbal communication skills. Working knowledge of Service Now or other ITSM platforms. Experience working with Microsoft Office products: Word, Excel, PowerPoint, and Outlook. Certification: ServiceNow Certified System Administrator. CompTIA Network or network background equivalent is desired Cross platform and integration experience. Windows, Linux, Juniper, and Cisco. > 1 year experience developing and scripting within ServiceNow using languages such as JavaScript, as well as integrating ServiceNow with external systems using Java, Python, Perl or PowerShell. Foundational knowledge of RDBMS and SQL concepts with the ability to collaborate effectively with infrastructure DBAs to report slow query patterns, submit table index requests, and ensure platform schema designs align with database performance constraints. 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 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range: Pay Range $107,900.00 - $195,050.00 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.

Requirements

Must-haves

Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows; collaborate with database developers on database connectivity, schema, and performance requirements.
Work within Agile/Scrum and SDLC processes to plan, build, test, and deliver ServiceNow features; participate in stand-ups, sprint planning, reviews, and retrospectives.
Collaborate with Project Managers and Technical Leads to communicate status, risks, and technical challenges; provide estimates and technical inputs.
Design and implement integrations between ServiceNow, Cisco Network Services Orchestrator (NSO), GOTS, and other enterprise tools using REST/SOAP APIs, IntegrationHub, and MID Server.
Create and maintain technical documentation (design specs, runbooks, user guides) and support user handoff training when required.
Monitor application performance and availability; build dashboards/alerts and proactively remediate issues.
Troubleshoot and resolve complex system and service issues; perform and document Root Cause Analysis (RCA) and implement corrective actions.
Conduct system performance analysis and tuning to optimize configurations and throughput.
Execute engineering tasks across the SDLC, adhering to change/release processes and delivering within scope and schedule.
Package and deliver well-engineered solutions for Operations to deploy to production with minimal manual steps and a high success rate.
Perform additional duties as assigned in a dynamic environment to support evolving business and technical requirements.
Required Clearance at the time of application: TS/SCI with poly
Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2 (CompTIA Security ).
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 ServiceNow 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 work with 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.
Strong communication skills for working effectively with clients and team members.
Strong organizational skills, including attention to detail, multitasking and critical thinking skills
Skilled in working within a team environment within a professional office setting.
Thrive within a highly dynamic and changing environment while adapting and managing shifting customer priorities.
Strong written and verbal communication skills.
Working knowledge of Service Now or other ITSM platforms.

Nice-to-haves

None flagged.

Application prep

Use the role’s language and application details while tailoring your materials.

Keywords to mirror

agilescrumrestpythonjavascriptjavasql

Platform: workday
Effort: long

Benefits

Benefits detected in the listing.

Vision