We use cookies to provide the essential functionality of the website and its advanced features, to analyse traffic and to improve our services to you, and to provide personalised content to you.
By clicking ‘Accept All’ you agree to these. You can change your selection at any time under the ‘Cookie Settings’ link on the page.
You can read more about our cookies in our Cookie Policy
Cookie Settings
We use cookies to provide the essential functionality of the website and its advanced features, to analyse traffic and to improve our services to you, and to provide personalised content to you.
By clicking ‘Accept’ you agree to these. You can read more about our cookies in our Cookie Policy
Essential
These cookies are essential to the functionality of thebigjobsite.com
When you log in to the Internet Site the Company will set a cookie containing a randomly generated unique reference number. This anonymous number allows the Company to identify you. The Company will never store your personal information directly as a cookie. A persistent cookie will be set, persistent cookies are not deleted when you close your browser, and will allow the Internet Site to recognise you on your next visit.
Name
Expiration
Description
ATTBCookie*
ATTBUserID
ATTB_LinkedUserID
2 years
400 days
1 year
These cookies are used to remember a user’s choice about cookies on thebigjobsite.com. Where users have previously indicated a preference, that user’s preference will be stored in these cookies.
ATTBTracking*
Session
These cookies are used by ATTB to understand user interaction with the website.
last-search
search
redirect-stage
original-keyword
1 day
Session
1 hour
1 hour
These cookies are used by thebigjobsite.com to pass search data between our own pages.
datadome
1 year
DataDome is a cybersecurity solution to detect bot activity
jja*
1 days
Used to track if you have seen the Job Alerts prompt and hold settings for your profile. Job Alerts is a service you can subscribe to to receive information about new jobs.
Advanced Features
Advanced features of the site use Cookies to provide information you requested and to reduce you having to key in repeated fields.
Name
Expiration
Description
attb-loc
3 months
Stores your location information so that we can pre-populate search fields to find jobs near you.
attb-latest-visit
attb-prev-visit
1 year
1 year
These cookies are used by ATTB to record when a user last visited the website so that we can highlight new content.
Analytics
Analytic cookies allow the Company to see how the Internet Site is being used. This information forms the basis of future development work, and so enables the Company to continually improve its Internet Site to best suit its users.
Name
Expiration
Description
_ga
_gid
_gat_gtag_*
_ga_JH3TWMTYRK
__gads
Typically ranges from session-based (24 hours) to longer-lasting cookies (up to 2 years).
Google Analytics Cookies: Used for tracking and analytics, these cookies collect information about website usage to help understand user behavior. Visitor tracking, session management, and ad performance analysis.
_gcl_au
NID
DV
UULE, EUULE
Typically lasts from a few days to months.
Google Ads / AdSense Cookies: Cookies used for advertisement personalization, conversion tracking, and remarketing by Google Ads. Track ad clicks and impressions, personalize ad content, and measure conversions.
_uetsid
_uetvid
Typically lasts from a few days to months.
Microsoft Advertising (Bing Ads): Microsoft's tracking cookies for advertising and user analytics. Track user sessions and unique visitors for remarketing campaigns.
SID
SSID
SAPISID, APISID
SIDCC
SOCS
AEC
Typically lasts from a few days to months.
Google Account/Authentication Cookies: These cookies are set by Google services (e.g., Gmail, YouTube) to manage user sessions, preferences, and account security. Authentication, session security, and maintaining user preferences.
__secure*
Typically lasts from a few days to months.
Secure Cookies (Potentially Third-Party): Cookies prefixed with __secure* are often used for enhanced security in user sessions or tracking. These are typically first- or third-party cookies, depending on their origin.
MSPTC
MUID
SRCHD
SRCHHPGUSR
SRCHUID
SRCHUSR
USRLOC
WLS
_EDGE_S
_EDGE_V
_SS
_U
ANON
Typically lasts from a few days to months.
These cookies form part of an analytics service that connects data from Bing with actions performed on the website. These cookies allow Bing to serve relevant advertisements to visitors across the Microsoft Bing network
_clck
_clsk
CLID
ANONCHK
MR
MUID
SM
Typically lasts from a few days to months.
Microsoft Clarity: is a cutting-edge behavioral analytics tool that helps us understand user interaction with your website. By using Clarity, we can enhance the user experience.
Optiver is seeking a Production Operations Engineer in Sydney to support low-latency trading systems. You will work with traders, developers, and ops teams to deploy, monitor, troubleshoot, and optimize trading infrastructure for reliability and performance, with weekend rotations to cover peak periods.
The role emphasizes automation, incident analysis, and scalable production practices across a global trading environment backed by cutting-edge technology.
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