Mohamad Alosman - Network Security Systems Engineer

Q: Where is Mohamad based?

Mohamad is based in Bochum, Germany .

Q: What languages does Mohamad speak?

Mohamad speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Mohamad have?

Mohamad has at least 7 years of experience. During this time, Mohamad has worked in at least 5 different roles and for 4 different companies . The average length of individual experience is 1 year and 4 months . Note that Mohamad may not have shared all experience and actually has more experience.

Q: What is Mohamad's latest experience?

Mohamad's most recent position is Systems Engineer for Network Security at Bechtle AG .

Q: What companies has Mohamad worked for in recent years?

In recent years, Mohamad has worked for Bechtle AG and KHS Group .

Q: Which industries is Mohamad most experienced in?

Mohamad is most experienced in industries like Information Technology (IT) , Manufacturing , and Professional Services .

Q: Which business areas is Mohamad most experienced in?

Mohamad is most experienced in business areas like Information Technology (IT) , Operations , and Product Development .

Q: Which industries has Mohamad worked in recently?

Mohamad has recently worked in industries like Information Technology (IT) and Manufacturing .

Q: Which business areas has Mohamad worked in recently?

Mohamad has recently worked in business areas like Information Technology (IT) and Operations .

Recommended expert

Bochum, Germany

Experience

Sep 2022 - Present

3 years 7 months

Systems Engineer for Network Security

Bechtle AG

SD-WAN solution by Aruba – Swiss energy company (330 sites): design and implementation of an SD-WAN branch solution with Aruba 9004 gateways, encrypted overlay, policy-based routing, WAN load balancing, and centralized management via Aruba Central.
LAN/WLAN & security – schools in Germany (9 sites): deployment of Aruba switches & AP-505, FortiGate 80F firewalls; setup of Checkmk monitoring, incident and change management, and secure admin access (BeyondTrust).
Multi-site security – energy billing company (20 sites): deployment of a complete Fortinet solution (FortiGate HA cluster, FortiSwitch PoE, FortiAP), IPsec remote-access VPN via FortiClient, centralized management via FortiCloud, IntraID authentication, operations and incident management.
Data center migration – German client: migration of data center switches (Mellanox), firewall cluster, and OfficeConnect switches to a new data center; securing configurations, implementing HA designs, testing, monitoring, and coordinated change and incident processes. Setup of two new 6300 M VSX clustered switches.
Data center security – university hospital: implementation of a high-availability FortiGate 400F firewall cluster across three data centers; security policy design, operational support, and change/incident management.
Enterprise campus & network access control – manufacturing company in Germany: introduction of Aruba ClearPass NAC, setup of a VSX-based switching architecture, secure WLAN access with MPSK, and integration into existing networks.
EU client (Germany & Poland) – Sophos firewalls: operations, incident and change management of Sophos firewalls including IPsec VPN; troubleshooting and ongoing optimization of security configurations.
Network modernization – pharmacy client in Germany: design and rollout of core and access switching (Mellanox, Aruba Instant On), migration from Sophos to Fortinet firewalls, network segmentation, and security hardening.

May 2021 - Aug 2022

1 year 4 months

Network Designer

KHS Group

Planning, designing, and implementing OT networks, including segmentation, security concepts, and firewall/switch solutions
Creating technical documentation and supporting tests and commissioning

Apr 2019 - Dec 2019

9 months

Project Engineer

Opal Security Systems

Planning and implementing CCTV, access control, SMATV, AV systems, structured cabling, and gate barriers for multiple sites
Vendors used: Dahua, Cisco, Dormakaba, Triax, Samsung, CAME

Sep 2018 - Dec 2018

4 months

CCNA Trainer

Jan 2018 - Jan 2019

1 year 1 month

Product Specialist

TP-LINK Agency

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (5 years), Manufacturing (1.5 years), and Professional Services (0.5 years).

Information Technology

Manufacturing

Professional Services

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (6 years), Operations (4 years), and Product Development (1 year).

Information Technology

Operations

Product Development

Summary

IT specialist with a Master's degree in IT security and over six years of experience in enterprise networks, data center infrastructures, and IT security in Germany. Expertise in designing, implementing, and operating solutions with Fortinet, HPE, Cisco, Mellanox, and Sophos.

Skills

Network Technologies

Extensive Experience With Routing And Switching Protocols: Ospf, Ospfv3, Eigrp, Eigrpv6, Bgp, Vlans, Stp, Rstp, Rpvst+, Vrf, Mls, Vpn, Gre, Ipv6, Mpsk, Nat, Sd-wan, Vrrp, Vsf, Vsx, Mpsk, Vxlan
Expertise In Configuring, Managing, And Troubleshooting Routers, Switches, Access Points, And Firewalls

It Security

Solid Knowledge Of Attack Techniques: Brute-force, Xss, Sql Injection, Dom-based Attacks, Csrf
Experience With Network And Security Protocols: Tls (All Versions), Https, Ssh, Tcp/udp, Dns, Kerberos
Excellent Understanding Of Cryptography And Security Analysis
Encryption, Authentication, And Digital Signature Algorithms: Rsa, Dh, Ec, Elgamal, Dss, Ecdsa, Ca, Hashing Algorithms
Experience With Aaa Servers Like Clearpass And Iso 27001
Basic Knowledge Of Penetration Testing Tools Like Bloodhound, Metasploit, Hydra, The Harvester, Hashcat

Hardware & Systems

Hands-on Experience With Devices From Fortinet, Cisco, Aruba, Tp-link (Routers, Switches, Access Points)
Strong Knowledge Of Cctv Systems, Nas/san Storage, And Pc Maintenance

Signal Processing & Telecommunications

Strong Understanding Of Signal Modulation Techniques Such As Mimo, Ofdma, Psk
Knowledge Of Ieee Standards, Gsm Systems, And Microwave Signal Technologies

Strengths

Ability To Work Independently And In A Team
Efficient Time Management
Excellent Communication Skills

Technical Tools

Network Tools: Aruba Central, Rest Api, Postman, Airwave, Air-monitor, Air-match, Gns3, Wireshark, Burp Suite, Forticloud, Tcpdump, Kali Linux, Fortisiem, Cisco Meraki
Programming: Python, C++, Microc, Matlab, Hfss
Autocad
Productivity: Microsoft Office (Word, Excel, Powerpoint, Visio, Planner, To Do)

Languages

German

Native

English

Advanced

Education

Ruhr-Universität Bochum

Master of Science, IT Security – Networks & Systems · IT Security – Networks & Systems · Bochum, Germany

University of Aleppo

Bachelor's in Telecommunications Engineering · Telecommunications Engineering · Aleppo, Syrian Arab Republic

Certifications & licenses

Aruba Campus Access Professional Certificate

Aruba Certified Network technician (ACNT)

Aruba Network Security Professional Certificate

Aruba Product Specialist Certificate

FortiGate Administrator 7.4 Certificate

Sophos XG Firewall Engineer Certificate

Profile

Created

March 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Mohamad based?

Mohamad is based in Bochum, Germany.

What languages does Mohamad speak?

Mohamad speaks the following languages: German (Native), English (Advanced).

How many years of experience does Mohamad have?

Mohamad has at least 7 years of experience. During this time, Mohamad has worked in at least 5 different roles and for 4 different companies. The average length of individual experience is 1 year and 4 months. Note that Mohamad may not have shared all experience and actually has more experience.

What roles would Mohamad be best suited for?

Based on recent experience, Mohamad would be well-suited for roles such as: Systems Engineer for Network Security, Network Designer, Project Engineer.

What is Mohamad's latest experience?

Mohamad's most recent position is Systems Engineer for Network Security at Bechtle AG.

What companies has Mohamad worked for in recent years?

In recent years, Mohamad has worked for Bechtle AG and KHS Group.

Which industries is Mohamad most experienced in?

Mohamad is most experienced in industries like Information Technology (IT), Manufacturing, and Professional Services.

Which business areas is Mohamad most experienced in?

Mohamad is most experienced in business areas like Information Technology (IT), Operations, and Product Development.

Which industries has Mohamad worked in recently?

Mohamad has recently worked in industries like Information Technology (IT) and Manufacturing.

Which business areas has Mohamad worked in recently?

Mohamad has recently worked in business areas like Information Technology (IT) and Operations.

What is Mohamad's education?

Mohamad holds a Master in IT Security – Networks & Systems from Ruhr-Universität Bochum and a Bachelor in Telecommunications Engineering from University of Aleppo.

Does Mohamad have any certificates?

Mohamad has 6 certificates. Among them, these include: Aruba Campus Access Professional Certificate, Aruba Certified Network technician (ACNT), and Aruba Network Security Professional Certificate.

What is the availability of Mohamad?

Mohamad will be available from March 2026.

What is the rate of Mohamad?

Mohamad's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.