Sr. NMS ServiceNow Software Designer

Leidos•Chantilly, VA

13d•Onsite

About The Position

Leidos is hiring a Sr. NMS ServiceNow Software Designer to support a key program in its National Security business segment. The role provides expert knowledge of network management systems, operating systems, commercial and government software, and integration of toolsets and servers. The position requires office presence at least five days per week at one of the posted locations. Relocation is not offered. The designer deploys, administers, develops, and integrates the ServiceNow suite on RHEL and Windows, collaborating with database developers on connectivity, schema, and performance needs. The role delivers engineering work across the system development lifecycle, following Agile/Scrum and SDLC practices, change and release processes, scope, and schedule. It also supports integrations with Cisco Network Services Orchestrator (NSO), GOTS, and other enterprise tools; security hardening and compliance; deployment automation; performance monitoring and tuning; troubleshooting; and production handoff. The role creates technical documentation and provides user training when required, and performs additional duties as assigned in a dynamic environment.

Requirements

Hold an active TS/SCI clearance with poly at the time of application.
Have 10 years of experience, which may be a combination of work history and education: doctorate and 3 years, master's and 4 years, bachelor's and 6 years, associate degree and 8 years, or high school diploma and 10 years.
Meet DoD 8140 Information Assurance Technical (IAT) Level 2 requirements, including CompTIA Security+.
Have at least 1 year of relevant ServiceNow experience, which may combine work history, education, and training.
Have experience developing and scripting within ServiceNow, such as with JavaScript, and integrating ServiceNow with external systems using Java, Python, Perl, or PowerShell.
Have experience across concept, design, engineering, production, and sustainment phases of the ServiceNow system development lifecycle.
Have experience with at least one of Agile, Scrum, or SDLC.
Be able to perform complex technical tasks with minimal supervision and work effectively with others.
Be able to analyze customer-submitted information and trouble calls, determine appropriate solutions, and implement them.
Have strong communication skills for working effectively with clients and team members, including strong written and verbal communication.
Have strong organizational skills, attention to detail, multitasking ability, and critical-thinking skills.
Be able to work independently with local and geographically diverse team members and manage time effectively to meet deliverable timelines.
Be skilled in working in a team environment in a professional office setting and adaptable to a dynamic environment with shifting customer priorities.
Have working knowledge of ServiceNow or other ITSM platforms.
Have experience with Microsoft Office products, including Word, Excel, PowerPoint, and Outlook.
Hold the ServiceNow Certified System Administrator certification.
Have foundational knowledge of RDBMS and SQL concepts, including the ability to collaborate with infrastructure DBAs on slow query patterns, table index requests, and platform schema alignment with database performance constraints.

Nice To Haves

CompTIA Network+ certification or equivalent network background.
Cross-platform and integration experience with Windows, Linux, Juniper, and Cisco.

Responsibilities

Deploy, administer, develop, and integrate the ServiceNow suite on RHEL and Windows.
Collaborate with database developers on database connectivity, schema, and performance requirements.
Plan, build, test, and deliver ServiceNow features within Agile/Scrum and SDLC processes; participate in stand-ups, sprint planning, reviews, and retrospectives.
Communicate status, risks, and technical challenges to Project Managers and Technical Leads, and provide estimates and technical input.
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, including design specifications, runbooks, and user guides, and support user handoff training when required.
Monitor application performance and availability, build dashboards and alerts, and proactively remediate issues.
Implement security hardening and compliance controls; support RMF authorization and accreditation by producing artifacts, remediating findings, and applying DISA STIG/SCAP benchmarks and customer-specific requirements.
Contribute scripts for automating ServiceNow deployments and related tasks using Ansible, Python, Terraform, and PowerShell; assist with test, validation, and verification scripts.
Troubleshoot and resolve complex system and service issues, document Root Cause Analysis (RCA), and implement corrective actions.
Analyze and tune system performance to optimize configurations and throughput.
Execute engineering tasks across the SDLC, follow change and release processes, and deliver within scope and schedule.
Package and deliver engineered solutions for Operations to deploy to production with minimal manual steps and a high success rate.
Perform additional duties as assigned to support evolving business and technical requirements.