Security Specialist - Corporate IT

Brennan IT; Mumbai; On-site; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Training and certification bonuses

Culture Awards

Brennan Daredevils trip

Discounted hardware and software

Learning and development

Job summary

Brennan IT is seeking a Security Specialist - Corporate IT to oversee governance, protection and detection activities across the Brennan network. You will work with IT teams to implement security controls, manage incidents, and deliver security outcomes in a fast-paced environment.

The role requires a strong security mindset, experience with ISO27001 and NIST CSF, and the ability to collaborate across Brennan offices and engineering teams.

Qualifications

• Security governance, protection and response know-how.
• Experience with ISO27001 or similar compliance programs.
• Ability to implement and manage security controls.

Responsibilities

• Maintain key security technologies across Brennan network.
• Complete scheduled and ad hoc security tasks.
• Report security metrics and outcomes to leadership.
• Collaborate with IT teams for security program delivery.
• Mentor and share knowledge with Brennan teams.

Skills

Security governance

Incident response

ISO27001

NIST CSF

Tools

Azure & O365

Linux

Job description

Be part of the team transforming business technology into impactful solutions.

True performance for our customers starts with a true belief in our people.

It’s why we’ve structured our business to help our teams, and their talents, shine bright.

It's why we’ve created a workplace where people of all backgrounds, beliefs and experiences are warmly welcomed and always empowered.

And it’s why we’ve built an organisation where real innovation, fed by passion and cultivated by collaboration, makes a genuine impact.

Because the innovative technology solutions we build, deliver and manage are only as smart as the people that power them.

What our team say

“When I joined Brennan, I knew I was becoming part of the best technical team in the country. The experience has been incredibly rewarding, professionally and personally. Brennan truly is a place where innovation thrives, and excellence is the standard.”

“With it’s incredible team culture, supportive environment, and opportunities for growth, Brennan is a phenomenal place to work. I’m proud to be part of a team that values growth and collaboration and empowers women to thrive.”

“Starting with Brennan as an intern was an exciting experience. Talented professionals mentored and guided me at every step, helping me hone my technical skills, gain hands‑on experience, and prepare me for more complex tasks. So much so that when I transitioned to become a Systems Engineer, I really felt the continuous learning opportunities and company support had helped make it possible.”

“From my very first hour, I’ve felt seen and welcomed at Brennan and have been humbled by the support provided by my peers. In addition, our ongoing collaboration with Microsoft enables our teams with the best of their toolsets.”

Technology Governance Manager, Brennan Australia

“Every day brings something new at Brennan, ensuring there is never a dull moment. It offers great opportunities for learning and growth. And the recognition for my efforts makes me feel valued and motivated.”

“The culture at Brennan is exceptional, with colleagues always eager to offer support and efforts consistently recognised and appreciated.”

Security Engineer, Brennan Sri Lanka

“Working for Brennan means being at the forefront of technological innovation. We are fortunate to be part of a dynamic, collaborative and supportive team that truly values creativity and progress.”

Head of Operational Technology, Brennan Australia

“Brennan is a company that truly values its people. Its strong customer focus and integrated values create an environment where learning and growth are consistently encouraged. The people‑first policies foster belonging and inspire continuous improvement. Brennan is a place where efforts are recognised, and there are so many opportunities to thrive.”

Pradeep Musham

“Working at Brennan has been exceptional. Starting as an IT intern, I was guided through new challenges and given a wide range of learning opportunities. Making the experience even more remarkable is how women are welcomed and encouraged to thrive. A culture of inclusivity coupled with a growth‑oriented approach has made Brennan an ideal place to launch and develop my career.”

“Brennan is a place I can grow, personally and professionally. The Women Rising program and leadership training have been amazing opportunities, and I really appreciate the supportive environment and positive culture within the business.”

Janet Rai

Global offices. Local colour.

With an international footprint, global ambitions and our deeply connected and collaborative teams, we’re making our mark on the world. We’re headquartered in Sydney, welcome talent from anywhere, and champion the vibrant local cultures wherever we have offices, with benefits and work values tailored to match.

Company divisions

Our Teams

Extraordinary people. Diverse teams. Shared purpose. Find your space and place at Brennan.

Genuine recognition? Too true.

Rewards. Recognition. Relaxation. We don’t just pay them lip service. They’re hardwired into our culture.

Awarded to our top performers, outstanding contributors, and those who truly live our values, Brennan’s Daredevils is our annual, all‑expenses paid, overseas trip open to every team member in every Brennan office around the world.

From jetting off to San Francisco, sitting trackside at Singapore’s F1 weekend, or snowboarding in New Zealand (to namedrop just a few), Daredevils is how we show our true gratitude – and your chance to bask in well‑earned glory.

Company values

Real values that drive true performance

Technology never stands still. Neither do we. It’s why we foster a culture of collaboration and commitment, ownership and improvement to make our lives – and those of our clients – better than they were yesterday. Here’s how.

True opportunities, open now

Explore our open roles and join the team transforming business technology.

Security Specialist - Corporate IT

• IT & Telecomms
• IT Security
• Permanent / Full Time

18/8/2026

• Join the largest Australian‑owned systems integrator
• Work in a supportive and fast paced environment
• Opportunity to engage with clients to deliver great outcomes

Brennan. Where true performance thrives.

At Brennan, we believe thathowtechnology is delivered is every bit as important aswhatthe technology is. We focus on creating real and relevant value for customers with solutions that fit their specific needs and always reflect their true interests.

It’s a claim backed by our True Performance System – a way of working engineered to get us closer, and deliver better, for our customers and their actual experience of technology.

Why join Brennan

True performance for our customers starts with a true belief in our people. It’s why we’ve structured our business to help our teams, and their talents, shine bright. It's why we’ve created a workplace where people of all backgrounds, beliefs and experiences are warmly welcomed and always empowered. And it’s why we’ve built an organisation where real innovation, fed by passion and cultivated by collaboration, makes a genuine impact.

True rewards

In addition to competitive remuneration, Brennan offers extensive benefits, including:

• Training and certification bonuses
• Culture Awards that recognise excellence
• Brennan Daredevils – our annual, all‑expenses paid trip awarded to our top performers and outstanding contributors
• Vibrant, fun social activities
• Discounted hardware and software
• An environment that embraces learning and development

PURPOSE OF ROLE

This role requires a person who brings a security‑centric mindset to the team, to ensure that Brennan’s governance, protection and defence, detection and response activities are being executed consistently and in alignment with obligations.

This covers:

• GOVERNANCE: Ensuring that scheduled and periodic security hygiene activities are completed on time and to expectations, aligned with ISO27001 and NIST CSF frameworks.
• PROTECTION & DEFENCE: Ensuring that the suite of security platforms used within Brennan are maintained to design, updated to meet requirements, and delivering on objectives.
• DETECTION & RESPONSE: Working with Brennan’s own SOC and other monitoring teams to ensure that detections are triaged and handled with the required level of rigour and responsiveness.
• This role requires a strong understanding of a broad range of IT and Security technologies, with the ability to work across teams to achieve desired outcomes. The role includes an element of “hands‑on” activities and is well supported by a range of IT and Security teams who also operate the IT and OT systems within Brennan.
• In order to deliver the right security outcomes for Brennan the role requires an eye for detail, and a desire for continual improvement. It requires excellent written and verbal communication skills in order to build relationships across Brennan, which will enable you to be a trusted source for security advice within the business.

ROLE RESPONSIBILITIES

• Maintenance and upkeep of key security technologies;
• Completion of scheduled and ad hoc security related tasks across the Brennan network;
• Reporting and assessment of security-related metrics and outcomes;
• Working with IT (including OT and Network Teams) on a day‑to‑day basis to ensure agreed and desired outcomes are met;
• Liaising with security and IT leadership to ensure that the security program is run to design and requirement;
• Maintaining a relationship with other internal teams to foster an open and transparent relationship;
• Responding to automatically detected and manually notified alerts, and working those incidents based on documented and understood incident response processes;
• Providing subject matter expertise to colleagues and projects outside of the immediate role;
• Participate in sharing knowledge with other Brennan team members including preparing and reviewing documentation for same;

KEY COMPETENCIES

• Minimum of five years of experience cybersecurity delivery in mid‑sized businesses, with a focus on the implementation and ongoing management of security technologies in those environments.
• Minimum of ten years of experience in the IT industry, working with technologies such as Microsoft Azure and O365, Linux, Networking (LAN, WAN, & VPN environments), Cloud, and private IaaS platforms.
• Exposure to Security Governance and Compliance programmes, including but not limited to ISO27001 and NIST CSF.
• A sound knowledge of cyber security best practices, common attack and exploit types and detection / prevention / containment methods.
• A passion for excellent service delivery and customer service.