Senior Systems Engineer

Description We have an IMMEDIATE NEED for a Sr. Systems Engineer to provide technical support for the integration of various sub‑systems as part of the DISA Defense Red Switch Network in support of an enterprise VoIP management system. As a Systems Engineer on this program, you will be a member of a team that interacts with technical and non‑technical teammates including customers and vendors, but primarily with subject matter expert teammates. In this role, you will provide technical assistance, administer configurations, support testing, recommend enhancements, and troubleshoot and resolve issues associated with the various sub‑systems. Responsibilities Leverage your technical background to understand a customer’s goals and identify the best integration solution for their needs Perform customer (end user / end user system) Integration by following instructions and executing a process Test and troubleshoot configurations to confirm successful integration Communicate with customers during integration and post‑integration including responding to emails, facilitating meetings or phone conversations, participating in solving technical problems Author/update documentation Identify configuration errors and check appropriate log files to debug issues. Core Qualifications Bachelor's degree and 8 years of overall related experience Broad range of skills and experience across several COTS technologies- Windows, Linux, VMware, and networking. Excellent communication skills (written and verbal) Detail‑oriented Experience or demonstrated familiarity in multiple of the following technologies, and a desire to learn the others: MS Windows (AD, GPO, Server 2022, Win11, WSUS) RedHat Linux OS administration VMware ESXi, vCenter, and VMware Cloud Foundations architecture suite Management of Juniper routers, firewalls, and switches via Juniper Space Juniper Routing Director and Security Director Cisco ISE, RadiantOne, RSA SecurID SolarWinds NPM Splunk Enterprise Search Tenable vulnerability/compliance scanning tools HAIPE management using GEM One Session Border Controllers (Ribbon/Oracle) Oracle SDM and OCOM Active SCI clearance or Top Secret (eligible for SCI) clearance Security+ is REQUIRED All candidates must be US CITIZENS to be considered for the position Preferred Qualifications Previous experience in providing similar integration support for onboarding external information systems Experience or demonstrated familiarity with multiple of the following identity, credential, and access management (ICAM) concepts/standards: LDAP or MS Active Directory PKI and TLS/SSL RADIUS, SNMP, and NTP protocols Multi‑factor Authentication (RSA) Experience or demonstrated familiarity with Public Key Infrastructure concepts and usage, including certificates, browser security configurations, and tokens Experience in identity management and governance, to include single sign‑on, identity federation, or enterprise directory architecture and design Local to Ft. Meade, MD Original Posting February 25, 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 $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. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at Commitment to Non‑Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr COMFORT SYSTEMS