Tier IIII O&M Engineer

Leidos; Berlin; Vor Ort; EUR 79.000 - 144.000; Vollzeit

Zusammenfassung

Leidos announces an opening for a Tier III O&M engineer to support large WAN/LAN networks. You will resolve incidents, implement routing and firewall changes, and serve as a subject matter expert in WAN/LAN technologies, supporting intra- and inter-network data communications.

You will perform tier 3 troubleshooting, optimize network topologies, and coordinate with teams to ensure performance and security standards. After-hours on-call possible.

Qualifikationen

• 16 years of experience in network engineering and O&M, combining work history and education.
• Must comply with DoD 8140 Information Assurance Technical (IAT) Level 2.
• Experience configuring and troubleshooting boundary protection technologies such as Palo Alto, Cisco ASA, and Forcepoint appliances.
• Experience with configuring and troubleshooting Juniper and Cisco routers and switches.
• Experience with protocols such as OSPF, BGP, VPNs, VRFs, MPLS.
• Working knowledge of NAT, IP subnets, and security technologies.
• Demonstrated ability to read and develop schematics, manuals, and documentation for maintainability.

Aufgaben

• Support operations and maintenance activities and administer networks including LAN and WAN technologies (OSPF, BGP, VRFs, VLANs, VRRP, MPLS).
• Monitor the performance of systems and networks.
• Configure and test hardware, networking software, and operating systems.
• Review user requests for upgrades and advise on practical technical approaches.
• Perform long-term O&M activities including tier 3 troubleshooting and problem resolution.
• Prepare troubleshooting procedures for restoring network performance.
• Provide fault and performance management for the network.
• Respond, isolate, and resolve network troubles.
• Execute reporting and data input for network management.
• Coordinate with configuration management and implementation teams.
• Analyze network characteristics and recommend procurement, removals, and modifications.
• Optimize network topologies and site configurations.
• Coordinate requirements with users and document current site configurations.
• Maintain operating systems, communications software, and utility programs.
• Ensure IM application platforms comply with open systems standards.

Kenntnisse

OSPF

BGP

VRF

VLAN

VRRP

MPLS

Tools

Palo Alto

Cisco ASA

Forcepoint

Juniper routers

Cisco switches

ServiceNow

Jobbeschreibung

Leidos has an opening for Tier III operations and maintenance (O&M) engineer to support the customer’s various WAN and LAN networks. Will provide incident resolution, routing changes, firewall changes; act as subject matter expert in WAN and LAN technologies; support customer’s intra- and inter- net and other data communications systems or segments of networked system.

Description of Job Duties/Responsibilities:

• Support operations and maintenance activities and administer networks including LAN and WAN technologies such as OSPF, BGP, VRF’s, VLAN’s, VRRP, MPLS.

• Monitor the performance of systems and networks

• Configure, and test hardware, networking software and operating system software

• Review user requests for upgrades or additions to the network to assess impact on network performance and provide advice and guidance on the most practical technical approach to meeting user requirements

• Perform long term O&M activities to include tier 3 troubleshooting and problem resolution

• Prepare troubleshooting procedures for restoring the network to optimal performance levels

• Provide fault management for the network and supports performance management functions

• Respond, isolate, and resolve network troubles

• Execute reporting functions and data input associated with network management

• Coordinate with configuration management and implementation teams

• Analyze network characteristics (e.g., traffic, connect time, transmission speeds, packet sizes, and throughput); recommend procurement, removals, and modifications to network components

• Optimize network topologies and site configurations.

• Coordinate requirements with users

• Assess and document current site network configuration and user requirements

• Maintain operating systems, communications software, data base packages, compilers, assemblers, and utility programs

• Apply software, hardware, and standards information technology skills in the analysis, specification, development, integration, and acquisition of open systems for Information Management (IM) applications

• Ensure these systems and applications are compliant with standards for open systems architectures, reference models, and profiles of standards - such as the IEEE Open Systems Environment (OSE) reference model - as they apply to the implementation and specification of IM solutions on the application platform, across the application program interface (API), and the external environment/software application

• May have up to 10% COMSEC responsibilities, as needed.

• Subject to be called in during afterhours for incident resolution.

Requirements

• TS SCI CI 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, master’s and 10 years, bachelor’s and 12 years, associates and 14 years or HS diploma and 16 years. Additional required qualifications include:

• Must comply with DoD 8140 Information Assurance Technical (IAT) Level 2.

• Experience in configuring and troubleshooting boundary protection technologies such as Palo Alto, Cisco ASA, and Forcepoint appliances

• Experience with configuring and troubleshooting Juniper and Cisco routers and switches.

• Experience with protocols such as OSPF, BGP, VPN’s, VRF’s, MPLS.

• Working knowledge of boundary protection best practices

• Understanding of routing, switching, Internet Protocol (IP) subnet, Network Address Translation (NAT) and security technologies

• Demonstrated ability to engineer and modify rulesets to allow connectivity for new customer requirements

• Demonstrated ability to read, understand, and develop schematic diagrams, technical manuals, and documentation such that the supported equipment and software can be maintained with minimal training

• Working knowledge of Service Now or similar IT Service Management (ITSM) products

• Superior verbal and written communication skills

• Intermediate-level knowledge of MS Office products Word, Excel, PowerPoint, and Visio

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:

September 5, 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 $92,300.00 - $166,850.00

The Leidos pay range for this job level is a general guideline onlyand 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.