IP Network & Security Operations Engineer Job at NOVA (Athens)

Network and Security Engineer

We are seeking a talented and experienced Network and Security Engineer to join ...

Location

United Kingdom , London

Salary:

Not provided

AWTG

Expiration Date

Until further notice

Requirements

Bachelor’s degree in computer science, Information Security, or a related field (or equivalent work experience)
Proven experience as a Network and Security Engineer or similar role, with focus on IP network design, implementation, T-shoot and mobile network security
Understanding of 3GPP mobile network CORE and RAN architectures and security requirements
Strong knowledge of network security protocols, VPN, firewall management, and intrusion detection systems
Experience with security tools such as SIEM, IDS/IPS, and vulnerability scanners
Familiarity with regulatory standards and frameworks (e.g., GDPR, HIPAA, ISO 27001)
In-depth understanding of routers, switches, firewalls, and switching/routing protocols – such as VLAN, VTP, STP, RSTP, MST, OSPF, EIGRP and BGP
Monitoring solutions which include PRTG, SolarWinds and Zabbix, and also, knowledge of Virtualization technology such as EXSi, KVM, Proxmox and Hyper-V
Excellent analytical and problem-solving skills with the ability to troubleshoot complex issues
Strong communication skills and the ability to work effectively in a team environment

Job Responsibility

Design, configure and implement highly scalable L2/L3 networks using varieties of protocols and vendor equipment
Monitor network traffic and analyse security incidents to detect and respond to threats within mobile network environments
Diagnose and troubleshoot network related issues associated with L1-L7 using varieties of tools, ensuring quick recovery and minimum network downtime
Carry out periodic backups of network device operating system and configurations to ensure timely restoration of critical network services
Design and implement network security solutions such as Policies, IPS, SSLVPN, IPSec VPN and security profiles using Next-Gen Firewalls (FortiGate/Palo-Alto)
Develop and apply network segmentation strategies to strengthen security and safeguard sensitive information within the core network
Work closely with other teams to establish and enforce network access policies, ensuring that only authorized individuals and devices have the correct access privileges
Conduct vulnerability assessments and penetration testing to identify and address security weaknesses in mobile network architectures
Develop and enforce security policies and procedures to ensure compliance with industry standards and regulations
Design and implement security protocols and solutions to protect network infrastructure

Fulltime

Network Engineer

Knight Federal Solutions is supporting The Navy Integrated Training Environment ...

Location

United States , Norfolk

Salary:

Not provided

Knight Federal Solutions

Expiration Date

Until further notice

Requirements

Experience in installing and troubleshooting WAN and LAN network equipment and circuits
Experience in monitoring, maintaining and troubleshooting ASA firewall ACLs
Ability to troubleshoot network issues at the protocol/packet level using sniffers, protocol analyzers, NetFlow, logging, etc.
Technical network troubleshooting and critical thinking skills with the ability to troubleshoot technical issues within multiple systems
Knowledge of Cisco Internetworking including IP addressing (subnets, CIDR), switching (VTP, VLANs, 802.1q, etc..) and routing (OSPF, EIGRP, BGP, PIM, multicast, etc.) and Cisco IOS
Knowledge of IP networking fundamentals, OSI model, and frame/packet structure
Experience in a network operations center environment including help desk, customer communication, trouble ticketing, and issue resolution
Experience with Department of Defense Security Technical Implementation Guidelines
Experience with network and performance monitoring tools (SolarWinds, etc.)
Experience in network security technologies including firewalls, VRFs, and port security/802.1x

Job Responsibility

Operating, maintaining, and troubleshooting network connectivity and infrastructure on the Navy Enterprise Tactical Training Network (NETTN)
Supporting the operation and maintenance of multiple networks across different classification levels and ensure continuous network connectivity is maintained to customers and sites
Supporting the Network Operations and Security Center (NOSC) which functions as the helpdesk for network operations support
Providing troubleshooting of network connectivity including WAN circuits, equipment failures, router and switch configurations, firewall access control lists, VoIP device registrations and configuration, cryptographic device configurations and keying material
Coordination with Navy, DISA, and commercial circuit providers for implementation and troubleshooting
Maintaining Information Assurance compliance including IOS upgrades, network device configuration changes, firewall ACL verification and changes
Supporting remote sites in restoring network failures

Fulltime

Security Engineer II

The Security Engineer II is an individual contributor who will participate and m...

Location

United States , Fountain Valley

Salary:

83940.00 - 120032.00 USD / Year

Hyundai AutoEver America

Expiration Date

Until further notice

Requirements

Bachelor’s Degree in Computer Science, Information Systems, or related field, or equivalent experience
Minimum 3 years of IT relevant experience or equivalent combination of experience plus at least 1 year of experience performing Security Engineering/Planning/Operations, preferably with SIEM or vulnerability management
Experience in medium to complex computing environments, with advanced knowledge in security technologies and services
Hands-on experience with at least two or more of the following Enterprise Security Technologies: Network Intrusion Prevention/Detection
Virtual Private Networks
SSL, IPSec, and Site-to-Site
Enterprise-Class Stateful Inspection Firewalls
Network Access Controls in context to Identity Management
Windows Server OS & Desktop OS
Network Packet Inspection

Job Responsibility

Design, build, test, and deploy new security technologies, which include the development of the operational manual and run books
Provides technical security operations engineering services to support and update existing security systems and works to automate processes related to security implementations, monitoring, and enforcement
Investigates, recommends, evaluates, deploys, and integrates operational security tools (e.g., SIEM, vulnerability scanning) and techniques to enhance protection of corporate assets and infrastructure
Participate in technical risk assessments and security exposure analyses of systems, networks, and business applications
Analyzes network security elements and overall network security architectural designs to ensure secure and optimal system and network performance and cost-effectiveness
Oversees the installation, configuration, and supportive processes of security technologies
Participate in or lead the Incident Response activities
Interacts with internal and external clients on security operations requirements, identifies security processes, and develops strategies/solutions to security issues
Keeps fully abreast of trends and changing technologies as they relate to IT, Network Engineering, and Information Security fields
Lead or assist in periodic or ad-hoc security reports that provide relevant situational awareness to our senior stakeholders

Fulltime

Network IP Manager

The selected individual will be a part of our Communications team and will be re...

Location

United States , Fort Morgan

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

Demonstrable experience of 10+ years in the Communications industry
Proficient in managing Cisco Routers
Expertise in Network Design
Proven skills in Network Engineering
Familiarity with Layer 3 Switches
Proficiency in working with Juniper Networks
Experience with Ribbon Fiber - Neptune

Job Responsibility

Lead the planning, design, engineering, testing, and implementation of a secure and robust converged voice, video, and data network infrastructure to support our operations
Collaborate with the CTO and Network/IT leadership for short and long-term planning of network and communication infrastructure, including operational improvements and best practices
Generate comprehensive "As Built" documents for the existing IP network, including all IP routers and switches, fiber network layout, lease circuits, and routing diagrams
Perform detailed IP routing and provisioning for various optical routers using equipment from vendors like Ribbon and Ekinops
Actively participate in field work, especially in the initial stages, followed by office-based responsibilities

What we offer

medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan

Fulltime

Network Engineer

This is a highly technical role providing post-sales remote and on-site support ...

Location

Costa Rica , Heredia

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Engineering or equivalent Graduates with 8+ years of relevant work experience
Ability to speak and write in English and Spanish fluently
Strong Interpersonal skills
Presentation skills
Ability to work well with many levels of customer engineering and management
7+ years of experience providing implementation and technical support of networking products in LAN, WAN, or Internet services environments
7+ years experience in managing large technical account activity revolving around network products from multiple vendors
Work experience working with Service Providers in the Telco Industry environment
Experience in fault isolation logic and techniques
Detailed technical experience in the installation and operation of IP Routers Switches and Firewalls

Job Responsibility

Provide post-sales remote and on-site support of Network products to end-customers in Latam region
Develop and maintain expertise on products deployed within customer's network
Hold network information gathering workshops with customer
Understand customer's organizational structure and network implementation procedures
Carry out testing of new designs, features, and functionality
Validate patches and fixes to operating software
Troubleshoot equipment and network problems
Initiate and track TAC cases through to problem resolution
Track Return Material Authorizations (RMA's)
Analyze network performance in terms of tickets, root causes, common causes, correlation and trends

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment
Comprehensive suite of benefits supporting physical, financial and emotional wellbeing

Fulltime

Network Engineer

The network engineer responsibilities include performing diverse, specialized, a...

Location

United States

Salary:

Not provided

Select Minds

Expiration Date

Until further notice

Requirements

Master’s degree in Computer Networking, System Administration, Network Administration or related field
4 to 5 years of experience in networking
Ability to work with end users as well as executive level representatives
Experience working in Windows and Linux / Unix environments
Detailed understanding of LANs / WANs, internet technology, and network protocols
Experience in technology organizations
Knowledge of storage area networks and/or hyper-converged infrastructure
Minimum 6+ years of professional experience in Network Engineer

Job Responsibility

Work as part of a wider project team or independently act as technical lead on consulting engagements
Confidently gather use case requirements and creation of low-level designs while functioning as an advisory resource for Best Practices and driving adoption of VMware solutions
Develop use cases into high-quality solutions in your specialist area
Actively demonstrate commercial awareness and stay within the scope of the contracted work
Take ownership and accountability for individual deliverables
Define project requirements/issues/constraints with PMs
Make accurate impact assessments, and raise, implement, close down and roll-back plans when required
Assist in the development of our consulting service offerings as well as developing white papers and best practices
Must enjoy working with leading edge technology and being an intrinsic part of a fantastic team
Understand and articulate the impact of Network Virtualization and Security to a customer s physical IP network, operations and future network and networking security architectures

Fulltime

Staff Professional Services Security Engineer - Focused Services

You will work firsthand with our valued customers to address their complex post-...

Location

Israel , Tel Aviv

Salary:

Not provided

Palo Alto Networks Italia

Expiration Date

Until further notice

Requirements

5+ years of hands-on technical knowledge in support, troubleshooting, and customer-facing environments
Experience as a Professional Services engineer, handling deployment, implementation, and integration projects for customers
Solid understanding of cloud infrastructure, security processes, and core concepts across AWS, Azure, and GCP
Strong knowledge of operating systems, virtual machines, and containers
Solid understanding of networking fundamentals: TCP/IP, DNS, IP routing, and security protocols/procedures (HTTP/HTTPS, IPSec, NAT)
Experience with containers and orchestrators (Openshift, Kubernetes, Docker), CI/CD pipelines, Terraform, Ansible, container registries, serverless environments
Basic to intermediate Linux skills, including filesystem navigation, user and permission management, log analysis, networking commands (curl, wget, tcpdump), system monitoring, and basic shell scripting
Familiarity with scripting and configuration formats: Python, JSON, YAML, and Bash
Strong consulting, project management, time management, and organizational skills
Proven ability to act as a trusted advisor, delivering business value and interacting effectively with technical and non-technical stakeholders

Job Responsibility

Provide customers on-site support, deployment and implementation, knowledge transfer, configurations, troubleshooting, and standard methodologies to customers via phone, e-mail, and web
Use fault isolation and root cause analysis skills to diagnose and tackle complicated technical issues
Provide post sales technical support, while handling support cases to ensure issues are recorded, tracked, resolved, and follow-ups finished in a timely manner
Work to reproduce customer issues and qualify critical issues
Publish Technical Support Bulletins and other user documentation in the Knowledge Base
Build a positive customer experience by working closely with Development, Sales, Quality Assurance, and Marketing
Responsible for reviewing user documentation for training materials, technical marketing collateral, manuals, problem solving guides, etc
Provide on-call support 24x7 on an as-needed basis, including travel to customer sites for critical situations to expedite resolution
Work shoulder to shoulder with the Sales and Sales Engineering Teams

What we offer

FLEXBenefits wellbeing spending account with over 1,000 eligible items selected by employees
mental and financial health resources
personalized learning opportunities

Fulltime

Resident Network Engineer

This role provides technical expertise and operational support for Juniper Netwo...

Location

United States , New York

Salary:

101900.00 - 234500.00 USD / Year

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

5+ years in Service Provider or MSO environments
Strong hands-on experience with Juniper JUNOS, MX/EX/QFX/SRX platforms
Deep understanding of routing protocols: OSPF, ISIS, BGP, MPLS, EVPN
Familiarity with NOC/SOC operations, datacenter migrations, IP fabric, NAT64
Proficiency in TCP/IP, VPNs, tunneling, Layer 2 Ethernet, and subnetting
Exposure to virtualization platforms (VMware, OpenStack)
Excellent communication and presentation skills
Certifications: JNCIA, JNCIS, JNCIP (Security)
JNCIE, CCNP/CCIE preferred

Job Responsibility

Provide expert-level support for Juniper platforms: MX304 routers, EX switches, SSR routers, and Mist supporting Routing, Switching, SD-WAN and in the future, Wifi
Troubleshoot complex network issues, manage JTAC cases, and coordinate RMAs
Lead maintenance window activities: MOP creation, execution, validation, and post-checks
Conduct technical workshops and design sessions to align with customer requirements
Test and validate new features, patches, and configurations in lab and production environments
Generate regular reports on network health, design progress, and issue resolution
Support migration projects and ensure seamless implementation
Train customer teams and help develop operational procedures and best practices
Collaborate with other Resident Engineers to share insights and reduce upgrade risks
Expand knowledge across Juniper’s product portfolio and emerging technologies

What we offer

Comprehensive suite of benefits supporting physical, financial, and emotional wellbeing
Specific programs catered to career growth
Comprehensive inclusion policy celebrating individual uniqueness

Fulltime

IP Network & Security Operations Engineer

NOVA

Location:
Greece , Athens

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
January 22, 2026

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January 22, 2026