Reverse Engineer

UnderDefense is a fast-growing company that safeguards businesses around the globe from cybersecurity threats. We are looking for a Reverse Engineer who will join our Reverse Engineering Team improving an antivirus engines that secures 2+ million customers over 9 years.

You will get a chance to investigate the latest malware samples and design ways of resilience to cyber threats. Primarily you will work in MacOS malware direction, but we also give chances to take part in other projects in offence & defense areas and develop skills in the cybersecurity domain. If you are with a curious mindset and have interest to malware engineering, we are willing to have you in our UD team.

Type of employment contract: Full-time position 

Starting date of the contract: As soon as possible

Location: Lviv office (remote – not available)

Send CVs to: [email protected]


Technical skills: Bash, Python, Powershell

Preferred Experience: Perform reverse of malicious samples and ability to clearly explain their behavior

Level of English: Intermediate+


  • TTP strong understanding
  • Cryptography: understanding basic principles, encoding, hashing
  • UNIX Operating System concepts

  • Yara rules experience

  • OS virtualization: VMWare, Virtual machines.

  • Assembly language knowledge, at least basic

  • Working with Sandbox and ability to analyse their results: e.g: Cuckoo Sandbox, Any.Run, Joe Sandbox etc

  • Experience working with IDS

  • Mitre Matrix knowledge


  • Network: strong knowledge of WireShark, tcpdump etc
  • Experience working with reverse engineering tools (IDA, Ghidra, Hopper etc.)
  • Experience with debuggers:gdb, lldb etc
  • Experience working with System Monitoring tools: ProcMon, SysMon (Windows), auditd (Linux),, FortiAppMonitor (Mac OS)
  • Experience working with osquery and analyzing output.
  • Experience with tracing tools: dtrace, dtruss etc
  • Working with VirusTotal, VirusShare, VirusBay in order to find new threats

Will be a plus:

  • DB: experience working with Mongo DB and SQL will be a plus

  • Working with Big data analysis tools like Splunk and ELK will be preferable

  • Exploit development knowledge

  • Digital Forensics experience will be a plus

What we offer:

  • Growth, really fast growth
  • Good salary + really challengeable projects
  • Brilliant Team
  • Great conditions for education and development within the company 
  • Paid vacation and sick-leaves
  • Paid certifications and courses
  • Internal trainings and workshops
  • Work-rest balance support (Foosball, workout station) 
  • English courses

Please send your CVs to [email protected]

Lead Generation Specialist

UnderDefense is a fast-growing company that protects businesses around the globe from cybersecurity threats. We make it possible for the business owners to sleep tight and run their companies successfully. If are looking for a challenging job that will give you a chance to grow fast, we are the best place for you to land.

The Lead Generation Specialist is a key member of our Sales and Marketing department, who is responsible for performing multiple prospecting functions, including identifying, researching, and contacting potential new customers to gain an understanding of their business needs and initiatives.

Type of employment contract: Full-time position

Starting date of the contract: As soon as possible

Location: Lviv

Reporting to: Head of Sales, Lviv, Ukraine

Send CVs to: [email protected]

Primary goals of the role:

  • Support sales team in all aspects of the sales cycle
  • Meet assigned KPIs including lead generation efforts, on-boarding of new clients and assisting with the retention and upsell of the existing customer base
  • Coordinate all aspects of attending/participating in conferences and networking events on behalf of the sales team to increase visibility and further pipeline growth
  • Work closely with product leads to become the team expert on all newly launched products and services
  • Maintain and update compelling marketing collateral for sales initiatives.


  • Solid understanding of our platforms, sales processes, and product/services diversification
  • Assist with the on-boarding of new clients (setting up calls, meetings, conducting webinars)
  • Generate warm, quality leads for the sales team
  • Work closely with other departments – including Marketing – to communicate strategy
  • Assist in the creation of compelling marketing campaigns and decks for the sales team
  • Write templates for email campaigns that are to be distributed by either the sales team or marketing automation too
  • Support Marketing Manager and Sales Director as needed
  • Researching various sources for expanding a database of potential customers
  • Establishing positive business and customer relationships
  • Identify prospects with high potential and develop a nurturing strategy
  • Understand various client segments’ needs, lines of products and differentiation to address them better
  • Keep abreast of the latest e-marketing tactics to increase campaigns’ ROI


  • English no less than upper-intermediate
  • Strong research skills
  • Problem-solving mindset
  • Basic knowledge of a sales cycle
  • Aim-oriented
  • Result driven

Will be a plus:

  • Lead generation/inside sales/cold calling experience, preferably business-to-business targeted accounts
  • Strong interpersonal skills and the ability to communicate effectively within all levels of the organization, both through email and verbally
  • Tools: LinkedIn Sales Navigator, Crunchbase, HubSpot, MailChimp.

What we offer:

  • Training and mentoring will be provided
  • Brilliant Team
  • Paid vacation and sick-leaves
  • Good salary
  • Growth into a sales specialist (in a few months)

Please send your CVs to [email protected]

Project Manager

We are looking for a PM who will manage our bright engineering teams.

The ideal candidate doesn’t hesitate to manage people and projects. This person should evangelize an Aсtive Management approach and should have a passion for learning new domains with strong commitment to project execution. We are looking for a Personality with strong communication skills, who has some previous experience managing people, who is attentive to details and is able to work cross-functionally converting talented engineers into a high-performance team. The new Manager will join our great Delivery Leadership team.

As a member of this team, you will be communicating with clients, managing people & projects, proactively identifying and mitigating issues, assigning tasks and controlling the execution.


  • A passion for challenges and courage to manage people

  • Experience managing 3+ people

  • Ability to learn new domains (we work in Cyber Security)

  • Excellent written and verbal communication skills

  • Know and practice active listening techniques

  • Proficient verbal and written English

  • Ability to function in a fast paced environment with minimal supervision

  • Ability to handle a number of simultaneous tasks while demonstrating urgency and ownership to drive tasks and issues to completion

  • Ability to apply the main principles of Software Development Methodologies

  • Practical experience in implementing scope, quality and time management principles

  • Some knowledge of cyber security domain


  • Manage people, have the courage to be a Manager and drive people to new achievements

  • Smile, Communicate, set tasks and regularly check results, adjust our plans

  • Develop project scope, objectives and estimates

  • Conduct regular 1:1 meetings with employees

  • Supervise development of an employee career

  • Deliver every project on time within budget and scope

  • Create and maintain comprehensive project documentation

  • Measure project performance using project metrics

  • Supervise reporting

  • Run regular performance appraisals

  • Run regular ESAT surveys

  • Communicate with clients and stakeholders

  • Run CSAT surveys for core accounts

What we offer:

  • Growth
  • Good salary
  • Brilliant Team
  • Paid vacation and sick-leaves

Please send your CVs to [email protected]
Skype root_nt

Junior IT Sales Manager

We are looking for a new Sales Manager to generate more Leads, close deals, communicate with clients and prospects. We consider a Junior person for this position, but we expect that this person would be keen to learn Sales Secrets during day and night, being proactive, with excellent English, ready to Hack people’s intentions and close the deals.



    • Advance in English (writing cover letters and having a Skype calls with clients)
    • Studying or working in US or Canada or other English speaking countries is a big Plus
    • Ability to work collaboratively on a global scale
    • Passion to learn lots of new
    • Hack people’s behavior and courage to promote new ideas
    • Ability to operate at all levels within a client from IT to LOB to C-level decision makers
    • Use Google/LinkedIn/Facebook like a Pro
    • Passion to Communicate, Simplify, Share with others
    • Excellent client service and sourcing skills;
    • Ability to explore and understand complex requirements on both business and technical level
    • Negotiation, presentation, and interpersonal skills
    • Proactiveness
    • Active listening skills


  • Sell our services
  • Continuously Learn how to sell better
  • Work with American/Canadian/ European customers. Would be a plus experience working in IT sales
  • Research new Prospects, generate Leads
  • Handling calls with clients, selling remotely and on conferences
  • Experience using some CRM or sales tracking application would be a plus
  • Close cooperation with other departments to ensure customer satisfaction, and high levels of field sales support
  • Monitor regular competitors’ activities
  • Fulfill other job-related tasks required by management to maximize business results
  • Maintain database of customers in a consistent way, update regularly
  • Provide Sales management with regular reports and activity plans


What we offer:

  • Growth
  • Good salary
  • Brilliant Team
  • Traveling
  • Challenges
  • Hard work


Please send your CVs to [email protected]
Skype root_nt

Penetration Testing Engineer


  • Technical skills: Web/Mobile security, Network security, Windows domain, UNIX/Linux, and basic experiense in  Reverse Engineering.
    • Knowledge of system and/or web application vulnerabilities and risk assessment methodologies such as OWASP Risk Rating Methodology.

    Preferred Experience:

    • eWPT or OSCP or other related security certifications
    • Love to code on Python, ruby, PowerShell, bash, or similar languages


Do penetration tests of applications and networks against a wide array of technologies and platforms

  • Create detailed penetration testing reports which explain identified technical and logical security findings, describe potential business risks, and present prioritized recommendations
  • Understand, review, interpret vulnerability assessment
  • Contribute to the ongoing enhancement of the company’s penetration testing assessment capabilities
  • Collaborate and share knowledge internally
  • Ability to think outside the box and simulate adversarial approaches

What we offer:

  • Growth, really fast growth
  • Good salary + really challengeable projects
  • Brilliant Team + a lot of CTFs
  • Paid vacation and sick-leaves
  • Paid certifications and courses
  • Internal trainings and workshop (conferences, workshops, trainings, etc.)
  • English courses  
  • Work-rest balance support ( foosball, workout station) 

Please send your CVs to [email protected]

Skype root_nt

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